DSL: add `tags` stanza

only limited/defined keys are permitted
 - :vendor
 - :font_pitch
 - :font_serif
 - :font_weight
 - :font_slant

forward-compatibility: no associated functionality is
provided.  Intentionally left undocumented.

References: #4688
Fix download protocol in OmniFocus.app Cask

Changed https to http because the former has stopped working
Typos and facts about how to use 2FA fixed
Chirp - version number reused
Add Gitbook.app

no_checksum ~~

have sha256 :no_check
Symlinks libserver.dylib to the correct lib for Java

Fixes #5332
This fixes issues where applications using java were unable to start
because this lib could not be found.
Merge pull request #5326 from radeksimko/contributing-fixes

Fix typos and facts about how to use 2FA
Merge pull request #4953 from rolandwalker/add_tags_stanza

DSL: add `tags` stanza
upgrade to v1.6.6
Merge pull request #5335 from vitorgalvao/fix-5334

upgrade to v1.6.6
Add Scribbleton version 1.0.1

The little personal wiki http://scribbleton.com/
add debookee
Merge pull request #5337 from wilmoore/debookee

add Debookee.app
Merge pull request #5336 from vinkla/scribbleton

Add Scribbleton version 1.0.1
improve R uninstall

in particular, the `:pkgutil` regexp was no longer working
ignore non-XML hdiutil output preceding plists

unless `--debug` is in effect.  This reverts to previous
behavior WRT DMG licenses.  Trailing non-XML garbage will
still be emitted.
Upgrade Orange to 2.7.6
Removing Hydra per Hydra installation instructions

See https://github.com/sdegutis/hydra/#install.
Merge pull request #5342 from sdegutis/master

Removing Hydra per Hydra installation instructions
Merge pull request #5341 from dsnellgrove/orange

Upgrade Orange to 2.7.6