Upgrade FontAwesome to 3.2.1

Change-Id: I274ab53105723974096933b58cefba3083c16a1c
Include FontAwesome in experimental theme

Change-Id: I0c5a842fdb6cba0ae1b006b055d1af914e045433
Story #4124 - Stack cards on cardwall

- stack cards (hardcoded
- checkboxes to select/unselect columns to stack

Change-Id: Ib6a89a02b4f46f358786245131a941d87ae271c5
Make it works on Firefox

Change-Id: Ia565210c6aab4c7798d09e1b67e0c463969cb2ee
Set preferences for column stacking

Change-Id: I8c9453cb6bb2f12a271efef060e623039e71c023
Adapt DisplayPreference to the new namespace

Change-Id: I378b1a5ca91c3ea74451f13512ba137a460d919a
Save preference in user preferences

Change-Id: Id24be7119871b33123403c899ada1c7d7c2b3c5d
Merge "Adapt DisplayPreference to the new namespace" into 4124_stack_cards
Autostack Done by default

Change-Id: Iff4c4b3e6bcbbcbc6914983515ddd0c833f04288
Fix toggle preference when no preference

Change-Id: I5653bdb051ceab0271b551b98d71dd6eaff7f57e
i18n & l10n

Change-Id: I4c0dcf8d7aefddd6dfd2ec1e7db49b2eefcdee69
Merge remote-tracking branch 'bender/4124_stack_cards' into HEAD

* bender/4124_stack_cards:
  i18n & l10n
  Fix toggle preference when no preference
  Autostack Done by default
  Save preference in user preferences
  Adapt DisplayPreference to the new namespace
  Set preferences for column stacking
  Make it works on Firefox
  Story #4124 - Stack cards on cardwall
  Include FontAwesome in experimental theme
  Upgrade FontAwesome to 3.2.1
This is Tuleap 6.2.99.17

Change-Id: I889a7d423e6493b9296536a3ef188e64434e36f8