* Fixed connected peers status in PeersActivity.
* Fixed display of new generated public key in SettingsActivity.
* Made more reliable display of connectivity state on main screen.
* Added a note about not configured peers. Changed all dialog buttons to greenish color.
* Click on a version row now opens URL of the project on GitHub.
* Changed the wording of no peer notification.
* Fixes#30, added quick settings icon.
* Added saving of enabled state, added some fixes and refactorings.
* Fixed a bug with turning on/off the VPN.
* Fixed possibility to add duplicate servers in DNS settings.