tiny title screen pimpout
Update README.md

Added copyright notice
Merge branch 'dan-dev'
added parallax backgrounds for city + sewer
fixed serious problem in city map
trying to scare people
updated songs to CC traxxx
added credits screen state
Merge remote-tracking branch 'origin/wilson-dev'
testseteststetst

test
Merge remote-tracking branch 'origin/wilson-dev'
Merge branch 'master' of https://github.com/FrostTree-Games/MagnetBoy
screen manager covers credits
end level flag animated
flag keys and doors use new symbols
end credits added to game
finishing last level shows credits
level shows a "complete" text when finished
tuned the lab

tutorial level
minimalized sewer to just blocks