Save papi values and restore them after adding/removing an event
Save papi values and restore them after adding/removing an event

*src/pmdas/papi/papi.c - add new local values arrays to save the
		       	 previous values and restore them in the
			 proper position after the new eventset
			 has been created.

adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,aeg-aeg/pcpfans,tjanez/pcp,wuliming/pcp,mbaldessari/pcp,andyvand/cygpcpfans,wuliming/pcp,prasincs/pcp,andyvand/cygpcpfans,wuliming/pcp,prasincs/pcp,wuliming/pcp,edwardt/pcp,andyvand/cygpcpfans,wuliming/pcp,aeg-aeg/pcpfans,tjanez/pcp,edwardt/pcp,adfernandes/pcp,mbaldessari/pcp,andyvand/cygpcpfans,tjanez/pcp,adfernandes/pcp,prasincs/pcp,tjanez/pcp,wuliming/pcp,mbaldessari/pcp,andyvand/cygpcpfans,edwardt/pcp,mbaldessari/pcp,adfernandes/pcp,edwardt/pcp,adfernandes/pcp,andyvand/cygpcpfans,andyvand/cygpcpfans,andyvand/cygpcpfans,wuliming/pcp,aeg-aeg/pcpfans,edwardt/pcp,aeg-aeg/pcpfans,aeg-aeg/pcpfans,tjanez/pcp,aeg-aeg/pcpfans,prasincs/pcp,edwardt/pcp,edwardt/pcp,mbaldessari/pcp,edwardt/pcp,wuliming/pcp,tjanez/pcp,prasincs/pcp,aeg-aeg/pcpfans,prasincs/pcp,tjanez/pcp,tjanez/pcp,prasincs/pcp,mbaldessari/pcp,prasincs/pcp,adfernandes/pcp,aeg-aeg/pcpfans