Moved stime, time, times POSIX calls from FS to PM. Removed child time

accounting from kernel (now in PM).  Large amount of files in this commit
is due to system time problems during development.

servers/pm/mproc.h

@@ -14,6 +14,10 @@ EXTERN struct mproc {
   pid_t mp_wpid;		/* pid this process is waiting for */
   int mp_parent;		/* index of parent process */
 
+  /* Child user and system times. Accounting done on child exit. */
+  clock_t mp_child_utime;	/* cumulative user time of children */
+  clock_t mp_child_stime;	/* cumulative sys time of children */
+
   /* Real and effective uids and gids. */
   uid_t mp_realuid;		/* process' real uid */
   uid_t mp_effuid;		/* process' effective uid */
@@ -61,3 +65,4 @@ EXTERN struct mproc {
 #define DONT_SWAP      0x1000   /* never swap out this process */
 
 #define NIL_MPROC ((struct mproc *) 0)
+