I18n: Update translation is (97%).

167 translated messages, 5 untranslated messages.

Transifex (https://www.transifex.com/projects/p/xfce/).
I18n: Update translation ast (76%).

132 translated messages, 40 untranslated messages.

Transifex (https://www.transifex.com/projects/p/xfce/).
Restore original window size after untiling (Bug 8765)

Signed-off-by: Simon Steinbeiss <simon.steinbeiss@elfenbeinturm.at>