Fix history on delete comments
:toilet: :poop:
Merge pull request #25 from taigaio/remove-fk-from-history

Fix history on delete comments
US #903: Task #1012: Compact and expanded US
US #903: Task #1032: Kanban estimation from lightbox
US #903: Task #1013: US can be estimated from the lightbox
US #903: Task #1014: Toggle view mode
US #903: Task #1035: Saved statusViewModes in local storage