he.po changes
Remove Formatting btn insensitive w/ no selection: Closes bug #714256
Use GtkApplication

This ports the Geary application to use GtkApplication, and removes the
dependency on libunique.

Closes: bgo#714145
Ignore autotools ./configure flgs for GNOME Continuous: Closes #719874

Probably also useful for other automated build systems.
Updated Italian patch from Federico Bruni
Certain themes cause Conversation List to be squished: Closes #713954

Some themes (elementary's, Mint 16's Cinnamon theme) cause the
conversation list to appear squished.  It has to do with how the
conversation list calculates the size of each element at app
startup.
Require Vala 0.22.1: Closes #720169

Older versions of Vala produce an incorrect method signature when
a ref to a null-terminated array of unowned strings is passed to
a virtual method (i.e. Gtk.Application.local_command_line()).