Update LICENSE

Author Arne Rantzen <Tyxz@users.noreply.github.com>
Author date 2015-07-02 14:04:34
Author local date 2015-07-02 16:04:34 +0200
Committer Arne Rantzen <Tyxz@users.noreply.github.com>
Committer date 2015-07-02 14:04:34
Committer local date 2015-07-02 16:04:34 +0200
Commit dad5b7fb798dc8c13ba9ad908a41d4db7d2b4390
Tree 76a1e2249784670e448ca6db4f95d53459d0e836
Parent 1a58bb3a0b44ba707a93e84d98b6b273851fb1a9
Update LICENSE

Changed to GPLv3 because no time for further development.
Feel free to fork and redistribute it!