v3.0 - First stable

The first version of the Kontalk Desktop client for your PC!

It should run without any major issues and the client is already in the stage of development to perform the basic task Kontalk was designed for: Easy and secure communication with your friends and acquaintances.

Thanks goes to @daniele-athome and everybody else who helped creating this!

Nevertheless, there is still a long way to go: There are still important features missing to improve your usage experience with Kontalk. To be specific: Group chat (kontalk/androidclient#179), history sharing (kontalk/androidclient#250) and some more... But we are aware of that, so stay tuned for further releases.

Feedback of any kind is appreciated, as always!