Fixed Global focus for linux
Merge branch 'sam' of github.com:BlobbyProj/Blobby into natasha
Downloaded edited pngs from Natasha's and saved as bmps. Changed enemy image to torto
Changed background image to bmp
Created a block class and changed levelmanager and makefile accordingly
Made enemies reverse direction if collide with something
Merge branch 'deanna' of github.com:BlobbyProj/Blobby into natasha

Conflicts:
	src/enemy.cxx
	src/levelmanager.cxx