Merge pull request #8 from infirit/mate_1.6_package_removal

Mate 1.6 package removal
mate-control-center version bump to 1.5.4
Merge branch 'master' of https://github.com/infirit/mate-overlay
mate-notification-daemon-1.5.1 fix QA warnig bump EAPI

Add gtk3 to IUSE
Mask gtk3 in package.use.mask
Bump EAPI to 5
mate-applets-1.5.1: bump EAPI, add charpick patch, misc fixes

Add patch to enable mucharmap, see [1] (need to remove in next version)
Remove gtk-doc(-am)
Remove die from src_test (> EAPI 4 emake dies on it's own)
Bump EAPI to 5
Remove gstreamer IUSE + mixer config option (moved to mate-media)

[1] https://github.com/mate-desktop/mate-applets/commit/79c1485d955e32a1d2fc64e96f8b342c76be3f4f
Version bumps + couple of QA fixes

mate-desktop-1.5.7: Version bump + fix QA issues

Version bump
Fix "QA Notice: Unrecognized configure options"

mate-window-manager-1.5.4: Version bump + bump EAPI + fix QA issues

Version bump
Update ebuild to EAPI 5
Fix "QA Notice: USE Flag 'gtk3' not in IUSE"
package.use.mask: Add mate-window-manager gtk3