Revert "Delete unused function"

This reverts commit 34cb1d8a594542b279ac27668c4b32f119205def.
Update the current database after the migration
Use mono-sgen to launch the migration tool
Force UTC for real
Fix migration tool in Windows
Support renaming teams in the teams panel
Add a min width and height for empty dashboards
Increase timeline labels a to 200px
Set the widget height counting all the timelines
Use avfvideosrc in OS X
Recenter main window in OS X
Don't escape names in the cell renderer
Fix redraw after moving a button and rounding the position
Add support for system templates
Revert change removing the Migration Tool menu item
Use the new name we have for the template
Keep the zoom widget height synchronized.
It should be identical to the scrolledwindow's scrollbar height. Also invert the HScale to be consistent with other widgets in the app (ascending).
Theme the GtkScale widgets
Add files for GtkScale theming
Fix typo in Interface name