Overview of changes from libgdata 0.17.13 to libgdata 0.18.0
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* Add support for Team Drives (work by Ondrej Holy) (#25)

* Bugs fixed:
 - #25 Team drives API support needed

* Translation updates:
 - Bokmål, Norwegian
 - Catalan
 - Greek, Modern (1453-)
 - Portuguese
 - Slovak