Fix how papi values are saved and rearranged when a metric is removed
Fix how papi values are saved and rearranged when a metric is removed

*src/pmdas/papi/papi.c - since the pmns_position and dynamically growing
		       	 the papi_info array has been added, the remove_metric
			 function needed to be tweaked.

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