Translations are now managed with OASIS XLIFF 1.2 format.
Merge pull request #320 from jtraulle/master

Translations are now managed with OASIS XLIFF 1.2 format.
Set up default dashboard for project and users if empty
drop old dashboard views upon upgrade
default to showing "edit" boxes if dashboard is empty
fix mailing upgrade snafu
fix upgrade "contribute" text
create board columns during upgrade
Don't unlink upgrade file since this often fails, just display message instead
use dropdown image instead of more actions image for issue fields, less in-your-face
show "issues" button for each available release to quickly list issues for that release
hide display details bar in board edit mode
absolute position search sidebar counts so they don't break layout
increase font size in issue view more actions menu
default to making milestones visible in roadmap and issues after upgrade
reformat time spent popup header
formatting change for report issue popup buttons
formatting changes for report issue button to make it more button like and less disney
also use dropdown triangle in transition popup
start fixing issues with search templates not working properly (#2469 and #2470)