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
Removing outdated instructions.
fixing :focus style
removing :focus style until I figure out a better fix
FIX: Topic drafts weren't showing up properly.
Suggested topics includes closed and archived in new and unread, but not in random results
FIX: Blacklist `<textarea>`
FIX: Searching for spaces wouldn't stop spinning
BUGFIX: history link doesn't work on deleted posts
Don't use crappy onebox failback to `title`
Whitelist :active param so that we can automatically create users that are active via API
CHANGE: Hide category definition topics unless you are viewing that
category.
Add Mediapartners and AdsBot to list of user agents for Googlebot in browser-update.js.erb
FIX: Don't allow `<button>` in posts either.
FEATURE: HOME/END should always take you to the correct spot
BUGFIX: microcontroller was consuming too much CPU

sleep 0.1 and file test were expensive compared to a signal every second
Fix plugin:spec rake task to include subdirectories.
Don't clear DiscoursePluginRegistry if LOAD_PLUGINS=true.
Merge remote-tracking branch 'upstream/master'