Whoops. Forgot to bump default gameServer MOTD to 0.9.25. :(
Rework EngineInstance::generatePreview, add preview cleanup function in enginelib
Add possibility to instantiate HWEngine objects from QML, reorganize work with preview
Rename protocol_version to hedgewars_engine_protocol_version to ensure use of correct library
Move the static mines test (
bug #96) to a separate folder to allow using all tests in tests/lua for release testing.