Add separated method for bulk order update for: backlog, kanban and sprint.
Merge pull request #19 from taigaio/order-refactor

Add separated method for bulk order update for: backlog, kanban and sprint
Fix kanban header
Fix some errors of scss linter
fix search page loader
fix #1002
fix backlog table responsive
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
Refactorized tgUsPoints directive