added process.h
changed process to pcb
modified pcb struct in process.h to have bare minimum
my previous commit forgot to add the process.h file
included global_defs.h into course_os.img
Very basic bump pointer memory manager
Merge remote-tracking branch 'origin/memory_management' into process_abstraction

 Merging memory management into process_abstraction branch.
Initial initialization of processes

added process_create
added pcb_table
added traversal of pcb_table for free slots
setjmp and longjmp copied from MUSL for potential future use
updating dev with master
update branch with master
update with master
update with master; fixed multiple main() error
moved libc to klibc as recommended
forgot to move header to klib as well
print f works, call using os_printf

now everyone can start debugging
merged printf function from klibc
Merge branch 'dev' into process_abstraction
Merge with dev
Initial Process allcation