- Removed 'is_iproc' from the proc_init structure (it was causing a bug)
- Added definitions to rtx.h
- Using #defined type for unsigned char in several places for consistency (also eliminates a compiler warning)
Added a file for utility functions (currently with the function uctoi).
Merge branch 'master' into wallclock

Conflicts:
	Code/MAIN/context_switching.uvproj
Merge branch 'UART' into wallclock
Fixed up the wall clock process and added an "int to char" function to utils.