Post-1.0p updates to libHSAIL:
1) extensive validator cleanup, refactoring and bugfixes
2) fix syntactic deviations from 1.0p spec (inheritance, extraneous structures in brig header)
3) ensure stability of code generators output
4) remove dependency on ELF header
5) remove unnecessary iostream usage
6) fix some valgrind errors
7) enable syntax check for 1.0p images and correct register sizes for 32-bit segments
8) remove some unnecessary files