Removed CoiniumServGUI project, will be instead implementing an web-based backend interface.
Travis will now build in debug & release modes and run tests for both of them.
Moved build/extra scripts to build/debug and build/release.
fixed build scripts for mono
fixed release script.
fix for travis nuget package restore.
Merge pull request #484 from raistlinthewiz/develop

travis & build-scripts fixes, removed coiniumservgui project