add localization to group administration
Merge pull request #2185 from Mikulas/patch-missing-group-l10n

add localization to group administration
Remove more admin options code since it's gone from composer
Remove the quote post button from pagedown editor when creating a topic and editing About Me in preferences
Use string interpolation, to avoid segmentation fault.

The segmentation fault was ocurring when precompiling assets, with ruby2.0.0.
Fix .pkgr.yml so that discourse can be packaged with https://pkgr.io.
fixing admin bar chart color
Merge pull request #2187 from awesomerobot/master

fixing admin bar chart color
BUGFIX: mismatched braces
Add link to the main Discourse Plugin page for the PLUGINS doc.

Sorry for all of the crazy commits. I got my branches mixed up, I
should be good now.

This adds a link to the main discourse plugin page
Merge pull request #2186 from pkgr/pkgr

Automatically generate a debian package
Merge pull request #2189 from willkara/doc-edits

Add link to the main Discourse Plugin page for the PLUGINS doc.
FIX: rendering bug of private categories in category chooser
some basic variable reorganiztion
Merge pull request #2194 from awesomerobot/master

some basic variable reorganiztion
BUGFIX: mitigate unbound table growth on top_topics