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
Fix plugin:spec rake task to include subdirectories.
Don't clear DiscoursePluginRegistry if LOAD_PLUGINS=true.
Merge pull request #1901 from vikhyat/fill-plugin-spec-glob

Fix plugin:spec rake task to include subdirectories.
Merge pull request #1902 from vikhyat/plugin-test-server-side-javascript-2

Don't clear DiscoursePluginRegistry if LOAD_PLUGINS=true.
Use LOAD_PLUGINS=1 instead of LOAD_PLUGINS=true for consistency.
Merge pull request #1904 from vikhyat/load-plugins-1

Use LOAD_PLUGINS=1 instead of LOAD_PLUGINS=true for consistency.
FIX: Remove `canvas` tag.
API endpoint for retrieving the current user
Update Onebox gem
Updated onebox (again) to fix Github link
FIX: Show a nicer error when a user tries to access a category they
can't see.
Merge pull request #1898 from awesomerobot/master

removing :focus style until I figure out a better fix; also fixing restricted badge alignment
Merge pull request #1824 from riking/patch-2

Fix group matching SQL query
previous restricted badge fix broke restricted badges in titles, this fixes it