Added include of stdlib.h, necessary for compilation on Chromebook
Added Mali stuff to Makefile.  Nathan, can you please find a way to make this optional?  I'm not that familiar with make files
Added .gitignore
Added include of stdlib.h for compilation on Mali
Adapted makefile to allow compilation on Mali - should be refactored
Updated make files
Updated make file
Added includes of stdlib.h
Adapted make files for Mali
Adapted Makefile