Fix rails4 deprecation warnings

That appear when running topic_spec.rb
"change" to edit pencil glyph on user pref buttons
remove unnecessary font-size on digest <a>
avoid calling v8 multiple times ( makes certain testing simpler)
Update client.zh_CN.yml
Urgent Bugfix: workaround therubyracer corruption when it is run within a fiber
Update client.zh_CN.yml
Update client.zh_CN.yml
Merge pull request #1337 from ZogStriP/avatar-work

Avatar work
Merge pull request #1338 from ofgeek/patch-2

Update client.zh_CN.yml
better copy for password change button
add todo
FIX: custom avatars in email
larger avatars in embedded posts
Remove duplication from Guardian
Patch ActiveRecord::Relation#references and clean up
Merge pull request #1342 from gcapizzi/remove_duplication_from_guardian

Remove duplication from Guardian
Merge pull request #1340 from ZogStriP/larger-avatar-in-embedded-posts

larger avatars in embedded posts
Merge pull request #1339 from ZogStriP/fix-custom-avatars-in-email

FIX: custom avatars in email
Add reject option to pending users page