Merge branch 'release/v0.6.6' into develop
towers in the last column will shoot now
Merge branch 'feature/issue/#122' into develop
default 100/100
made outro very long
mining rocks doesn't decrease the number of towers any more
addMass and addEnergy introduced for maps/tutorial
roughly the right size
made slight adjustments to the tutorial mission.
prepare for using this more generally
Merge branch 'feature/issue/#136_make_the_mission_text_more_readable' into develop
factored out message drawing code to separate function
cleanup
moved some stuff around so that messages are drawn consistently
Merge branch 'feature/issue/#127_use_the_polished_message_look_for_wave_texts' into develop
added debug missions
wait for transition until the last creep has exploded.
some more changes for testing
deactivate the debug mission for regular gameplay
removed spurious old message