removed coremap bootstrap from cvm botostrap
Merge branch 'addrspace' into coremap
added bookkeeping
Merge branch 'addrspace' of github.com:cse451/os161 into coremap

Conflicts:
	kern/arch/mips/vm/vm.c
Merge branch 'coremap' into addrspace
fixed bug in define regions (read write), bug in waitpid fixed, vm fault, set valid in page tables. shell starts but crashes on command