Fixed outdated urls

Updated to Sync v2

Updated to registration v2

Fixes sound, added recent emoji, set push name otg, and more

Merge branch 'RC'

-Fixed Login (Thanks to Scorpius and ginggs for the patches)

-No more "Wazapp not supported" during registration
-Version bumped

Version 0.2.6 brings Emoji sending, better landscape support and more…

… stable connection