Sync translations with transifex
Bump version to 1.8.0
gtk3: remove always on top square at 0x0-200x200
gtk3: remove always on top square at 0x0-200x200

Conflicts:
	src/ui/frames.c
Merge branch 'square' into dev
Merge remote-tracking branch 'upstream/master'
Merge branch 'square'
Merge branch 'master' into dev