Fixes an issue where work item description was incorrect when starting a timer from the work item details page/dialog. Also polish the style of the timer button on the work item details page/dialog.

Now supports new Boards Hub view.

- Added timer to commits list
- Fixed issue where moving tiles between columns caused an error when starting a new timer

New in v1.1
- Ability to start a timer for a work item from the Kanban board
- Ability to copy to the clipboard the work item's id and name from the Kanban board