perfevent is now built as a seperate RPM.
Added environment variables to proc pmda. Fixed -A flag.
Add cpusallowed metric to linux_proc
Merge branch 'perfevents' into hotproc_perf_merge

Conflicts:
	configure
	src/pmdas/linux_proc/pmda.c
	src/pmdas/linux_proc/proc_pid.c
	src/pmdas/linux_proc/proc_pid.h
	src/pmdas/linux_proc/root_proc.in

Resolve cluster id collisions.

Not tested yet.