Merge pull request #17 from ekt7be/master

SOUND EFFECTS
bunch of stuff. ui, skills blanacing
Merge branch 'master' of https://github.com/seanKenkeremath/Seizonsha
fixed bug. more balancing
added death sounds to more enemies, changed firelance
balancing skill tree costs, minor other stuff
merged and fixed some errors
Merge remote-tracking branch 'upstream/master'