Disabled double click on stories in edit mode
It is no longer possible to double click on an story to close
it again. This forces the user to make an active choice whether to
save or cancel the changes.

fixes sonyxperiadev/BacklogTool#45
Fixes that it was not possible to edit theme after cancel
Merge pull request #67 from fredrikpersson/disable-doublecick-on-edit

Disable doubleclick on edit