v4.0.0-beta4

New icon for the new year! And some bugs fixed here and there.

Changed

• New 2017 icon!
• Allow multiple users selection in "add users to group" contexts (#892)
• Use different part message when owner leaves the group

Fixed

• Allow add user to group only to owner (#890)
• Fix several fragment issues (#878)

You can see all the details for the issues closed with this release here.
Download apk files here:

• https://www.kontalk.org/files/Kontalk-4.0.0-beta4-googleplay.apk (Google Play flavor)
• https://www.kontalk.org/files/Kontalk-4.0.0-beta4-basic.apk (basic flavor)