update font-awesome
update jquery
update twitter bootstrap to v3.1.0 and font-awesome
fix missing jquery replace
fix display fa class
Set @html_part / @text_part properly:

There's a bug which causes #html_part to not work properly:

  # Set HTML part
  message.html_part { body "hello" }
  message.html_part # => Doesn't actually return the html_part
Merge pull request #1681 from judofyr/dont-break-part

Set @html_part / @text_part properly
Merge pull request #1579 from WaYdotNET/v3.1

update admin section
fix logger tests
split routing.rb
refactor Routing.construct_filter
refactor Routing.url
refactor Routing.controller
clarify some variable naming
refactor Routing.provides, some cleanup