Update look of Diviner docs index
Merge branch 'master' of github.com:facebook/phabricator
Diviner CSS, layout updates

Summary: Moves book view to use PHUIDocument, fix some other spacing issues.

Test Plan: Review a number of pages in Diviner.

Reviewers: epriestley

Reviewed By: epriestley

CC: Korvin, aran

Differential Revision: https://secure.phabricator.com/D6925
Diviner Book Index styles

Summary: Slightly more readable, less space than current index. LMK if you hate it though.

Test Plan: Look at user and dev book indexes.

Reviewers: epriestley

Reviewed By: epriestley

CC: Korvin, aran

Differential Revision: https://secure.phabricator.com/D6932
Phortune - fix fatal from initial load

Summary: the attachX upgrade means we need to blank this out formally when creating a new object. Fixes https://github.com/facebook/phabricator/issues/383

Test Plan: loaded phortune for the first time - no fatal and it worked!

Reviewers: epriestley

Reviewed By: epriestley

CC: Korvin, aran

Differential Revision: https://secure.phabricator.com/D6939
Color atom-class-name

Summary: Making these purple.

Test Plan: Reload a few class pages, looks nice.

Reviewers: epriestley

Reviewed By: epriestley

CC: Korvin, aran

Differential Revision: https://secure.phabricator.com/D6938