added openkim-api-match utility
Merge branch 'matching_utility' into devel

Conflicts:
	KIM_API/.gitignore
	KIM_API/Makefile
fixed type (void/int) error for init funciton in model_El_P_Template.c
fixed link compiler variable in KIM_API/Makefile
Changed model_init function name scheme
improvement for Makefile - config dependencies
removed Model/Test name from descriptor file
turn on -Wall and fix all warnings
Clean up Make output for pretty display
wrapped Copyright line to stay within 80 chars
updated copyright date to 2013
changed naming convention XXXXXXs -> XXXXXXS