Fix fatal in Maniphest when viewing "show details" of a task description edit

Summary:
Clicking "show details" of a task description change in Maniphest currently throws an exception about the markup engine.

Since we don't actually need the engine an alternate fix would be "if ($this->markupEngine) { $renderer->setMarkupEngine($this->markupEngine); }" but we have one at the ready so just provide it. This should become part of the Transactions stuff anyway.

Test Plan: Clicked "show details".

Reviewers: btrahan

Reviewed By: btrahan

CC: aran

Differential Revision: https://secure.phabricator.com/D4167
upgrade diffusion to use modern header UI and fix a few quirks

Summary:
upgrades are CrumbsView, HeaderView, PropertyListView, and ActionListView. I had to modify CrumbsView stuff a bit to handle the "advanced" diffusion crumbs.

Quirks fixed include making file tree view show up in diffusion, the page not have extra space when the file tree is hidden, links no longer breaking once you visit files (since without the change the files always got "/" appended and thus 404'd), and a differential quirk where it read "next step:" and that colon is a no no,

Test Plan: played around in diffusion and differential

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin, chad

Maniphest Tasks: T2048, T2178

Differential Revision: https://secure.phabricator.com/D4169
Minor cleanups to Diffusion breadcrumbs

Summary:
  - Remove "Diffusion" crumb (redundant with application icon)
  - Put "All Repositories" in its place on the landing page.
  - Render the repository crumb as "rX" instead of "X Repository".

Test Plan: Looked at various Diffusion pages.

Reviewers: btrahan

Reviewed By: btrahan

CC: aran

Differential Revision: https://secure.phabricator.com/D4173
Improve Drydock's ability to allocate leases correctly

Summary:
Right now, Drydock gives out multiple leases to the same working copy and gives out leases to working copies with repository "P" in them when the user requested some other repository.

Add two callbacks:

  - `canAllocateLease()` - allows a blueprint to reject a lease on a resource because of a fundamental incompatibility, like "it's a working copy with Phabricator in it, but the lease wants a working copy with Javelin in it".
  - `shouldAllocateLease()` - allows a blueprint to reject a lease on a resource because of resource limits, like "only one active lease can own a working copy at a time".

Also cleaned up various other things.

Test Plan:
After implementing the callbacks, Drydock has the correct behavior:

  - It gives multiple leases on `localhost`, but only one lease per working-copy resource.
  - It does not grant leases on resources with repository X to requests for repository Y.

Ran `bin/drydock lease --type working-copy --repositoryID 12` and similar repeatedly and verified results in the web console.

Reviewers: btrahan

Reviewed By: btrahan

CC: aran

Maniphest Tasks: T2015

Differential Revision: https://secure.phabricator.com/D4166
Make differential revision ID parsing more robust

Summary:
If something that doesn't belong to any field appears in the commit message
below the differential revision field, it gets included as part of the
value for the field, which can mess up parsing.

Test Plan:
called differential.parsecommitmessage on a commit whose differential
revision field wasn't being parsed earlier (it had a line of dashes two
lines below the Differential Revision: line).

Reviewers: epriestley, vrana

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D4171
differential - lazy man's attempt at updated design

Summary: basically made the header elements for the individual panes and cleaned up the panes to make it look okay. tried to copy colors from @chad 's mocks.

Test Plan: looks good to me

Reviewers: epriestley, chad

Reviewed By: chad

CC: aran, Korvin

Maniphest Tasks: T2004

Differential Revision: https://secure.phabricator.com/D4174
cowboy commit -- fixing fatal I introduced from D4174

Summary: we don't always have a diff so instead set an explicit title in the controller.

Test Plan: no more fatals. grepped carefully for every call site and tested them all
derp on a derp
Minor, fix a variable name after recent refactoring.

Test plan: Observed no fatal when viewing a diff which removes an image.

Auditors: btrahan
differntial and diffusion design tweaks

Summary: most awesome is that differential-primary-pane no longer has a place in diffusion. less awesome is fixing the zebra striping on differential "Local Commits" view and making the font size of one of the table headers match the others.

Test Plan: looks good!

Reviewers: epriestley, chad

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D4177
fix aphront context bar bottom margin -- don't need it

Summary: noticed when creating a task that the "you made a task - make another" ui element had a bottom margin element which seemed out of place in the re-design. killed the margin

Test Plan: looks good to me!

Reviewers: epriestley, chad

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D4178
Improve design of PhabricatorObjectListView

Summary: See discussion in T2014. Aligns this element more closely with @chad's `frame_v3.psd` mock, and implements the icon/label element. Removes "details".

Test Plan: {F27062} {F27063} {F27064} {F27065}

Reviewers: btrahan, chad

Reviewed By: btrahan

CC: aran

Maniphest Tasks: T2014

Differential Revision: https://secure.phabricator.com/D4179
Remove copyrighted assets from codebase

Summary:
We don't own the copyright to (or have a license to distribute) this media file.

Also improve performance.

Test Plan: ↑↑↓↓←→←→BA <Enter>

Reviewers: codeblock

Reviewed By: codeblock

CC: aran

Differential Revision: https://secure.phabricator.com/D4176
Make Phriction edits show in the feed.

Summary: Add a WIKI block to the switch in PhabricatorObjectHandleData->loadObjects().

Test Plan: Went to /feed/ and saw my wiki edit stories.

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D4180
Simplify side nav CSS and fix various glitches

Summary:
Fixes glitches in the side nav. Resolves T1828. Resolves T2156.

  - Elastic scrolling (T2156): in Safari on OSX, using a scroll touch on the trackpad to scroll up past the top of the document caused newer-style side menus to scroll down, leaving a visible whitespace bar.
  - Whitespace glitch: Particularly in Safari, scrolling down the document quickly from the top caused the top menu to scroll away before the side menu rose to meet it. Use a fixed background color bar that extends under the menu so this doesn't happen.
  - Use of "!important": use CSS better so we don't need to "!important" things.
  - Dark Console (T1828): Instead of hard-coding the top position, determine it dynamically by looking at where the content is. This also fixes the menu overlapping with the red "there are errors on this page" development bar.
  - General "fixed" glitchiness: don't use fixed-position for menu content other than flexible (draggable) menus.

Test Plan:
  - Viewed and scrolled menus in Paste. Opened and closed DarkConsole. Switched devices.
  - Viewed and scrolled flexible menus in Differential and Diffusion. Opened and closed DarkConsole. Switched devices.

Reviewers: vrana, chad, btrahan

Reviewed By: vrana

CC: aran

Maniphest Tasks: T1828, T2156

Differential Revision: https://secure.phabricator.com/D4185
Allow leases to be explicitly released via web or CLI

Summary: Permit the forcible release of Drydock leases. The implementation isn't very exciting for now.

Test Plan: Released leases via web and CLI.

Reviewers: btrahan

Reviewed By: btrahan

CC: aran

Maniphest Tasks: T2015

Differential Revision: https://secure.phabricator.com/D4181
Make description in user.addstatus really optional

Summary:
Fixes:

> Column 'description' cannot be null".

Test Plan:
  $ echo '{"fromEpoch": 1, "toEpoch": 2, "status": "away"}' | arc call-conduit user.addstatus

Reviewers: btrahan, epriestley

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D4189
Display raw contents of deleted file in Diffusion

Test Plan:
Display change of deleted file.
Use **Show Raw File (Left)**.

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D4184
Link hashes in Remarkup commit links

Summary: Also generalize the code a bit.

Test Plan:
rPF57bc7f#inline-874
rPF57bc7f#874

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D4168
Require Conduit methods to be instances of ConduitAPIMethod

Test Plan:
Deleted `extends ConduitAPIMethod`, then:

  $ echo '{}' | arc call-conduit conduit.ping

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D4190