Updated POTFILES.in
Updated Polish translation
elements: Don't use path_round_rectangle.

We didn't actually make rounded rectangles anyway.

This class will need to go altogether at some point.
elements: Don't use Cogl anymore.
undo: Reimplement undo redo for effect properties.
Updated Brazilian Portuguese translation
Updated Czech translation
Update French translation
titleeditor: Handle float font sizes
titleeditor: Allow adding and editing multiple titles
titleeditor: Workaround TitleSource not saved in xges
Updated Slovenian translation
fix pep8 check

https://bugzilla.gnome.org/show_bug.cgi?id=728011
python3: fix encoding for md5

https://bugzilla.gnome.org/show_bug.cgi?id=728011
Updated Lithuanian translation
Updated Russian translation
Updated Spanish translation
Updated Greek translation of help
Updated Greek translation
medialibrary.py Don't check if a list is inferior to an int ..

when removing sources.