Fix group matching SQL query

The check there is intended for the :members_mods_and_admins level, which is not automatically checked for normal users. Instead, the :everyone level is the one used, which would always fulfill the "alias_level in :levels" check.

This changes the :everyone level to :members_mods_and_admins, which was originally intended.
Change to case-insensitive matching in group @name matching
BUGFIX: JSON requests don't exclude categories from filters
Remove invalid comment.
This was added in 1076aa50a8ffa4f5ab50369807527542a7b87372 when
ember-rails was installed from a revision number. This was changed to
use the latest gem release in ad6705cca759c6b8d40330d24d981190623cdc43
ignore exclude_category from the menu if we are trying to view the category.
Try secure: true again
update homepage
Revert "Try secure: true again" It's definitely broken
Add two rake tasks: db:rebuild_indexes and import:remove_backup
Improve bluepill sample config.

Add stop_command to use `thin stop`.
Fix stdout & stderr being redirected to the wrong log file.
Rename PID file name to use a dash (like the log file).
Merge pull request #1891 from codedinc/better-pill

Improve bluepill sample config
Merge pull request #1889 from et/remove-invalid-comment

Remove invalid comment.
Update onebox gem
FIX: Jump to bottom was broken by the `/last` path.
Merge pull request #1890 from vikhyat/hidden-category-fix

ignore exclude_category from the menu if we are trying to view the category
Add rake task for running plugin tests.
German Translation updated (client.yml)

German Locale - starred
Add Lonely Galaxy to the topbar nav
Merge pull request #1893 from jk779/german_translation

German Client Translation updated (client.de.yml)
Merge pull request #1892 from vikhyat/plugin-tests

Add rake task for running plugin tests.