Fix segfault with GTK3
Improvements for GTK3
Merge pull request #34 from infirit/master

Fix --with-libgl config option plus readd opening semicolon
Bump minimum libmatekbd version

This is required due to:
http://git.mate-desktop.org/libmatekbd/commit/?id=15dc595
Bump version to 1.7.0
Sync translations with transifex
Add  to ACLOCAL_AMFLAGS for user added flags