2.2.4 Maintenance Designation
for #38

. . . where postbit classic template edits weren't removed at
deactivate.
Addressing Postbit Visibility

#39 where postbit button was showing for users who could not post
replies in the thread-- went ahead and checked thread close (and not
mod) or other post types (preview, etc.)

#41 where postbit button was showing for the logged in user on his/her
own posts.
for #40

. . . where if a moderator edited a user's post and it contained a
mention, an alert would be sent incorrectly stating that the mod
mentioned the user.
for #42

where the ignore list wasn't considered before creating mention alerts.
2.2.4 Pre-release

Code clean up, version bump and beautification.
Merge pull request #43 from WildcardSearch/maintenance

2.2.4 Release