Updated Basque language
Updated Slovenian translation
Updated German translation
Forbid header bars in stock GTK+ dialogs.

Even in GNOME Shell, header bars look very out of place in Evolution.
Override the system-wide setting to suppress them.
NEWS update for 3.12.0 release.
Post-release version bump.
Updated Russian translation
folder_tree_render_icon: Readability cleanup.

Makes the logic easier to debug too.
Updated Norwegian bokmål translation
l10n: Update Japanese translation
Bug 719417 - Remove em-filter-i18n.h

Remove this old hack and translate the pre-defined filter/search/vfolder
rules the same way any other XML file gets translated.
Bug #508744 - Select PGP key from a list in mail account properties
Bug #551793 - Alarms dialog: Change "Customize" option
Updated Galician translation
Bug #726110 - Use gtk_drag_check_threshold() instead of hard-coded values
Bug #724059 - Allow arbitrary number of phone entries in the contact editor
Bug #545106 - [Automatic Contacts] Adds duplicate email addresses
Fix memory leaks from a commit for bug #508744

I missed that part when copying the code from a test program I cooked.
Add installed tests using --enable-installed-tests switch

https://bugzilla.gnome.org/show_bug.cgi?id=726832
Add an --enable-code-coverage configure option to enable gcov support

When enabled, this will compile all libraries/binaries with the necessary
gcc and ld flags to enable code coverage support using gcov.