FL-1745:

add support for python-3.4 for certain gnome packages
this will not take effect until python-3.4 update occurs
tested in current and stable branches with manual python-3.4 update
FL-1825: change vala dep to 'vapigen(+)'

Change the vala USE dependency string to assume that vapigen is enabled
if not in IUSE. It is built unconditionally starting with vala:0.26.
gnome-boxes: fix kernel checks

Perform kernel checks only when kernel sources are available, and add
a missing call to determine the kernel version. Fixes Gentoo
bug #504822.
adwaita-icon-theme: add missing librsvg dep
FL-1845: adding missing libgee:0 for LXDE
FL-1845: clean-up
Merge remote-tracking branch 'upstream/master'