add easyconfig grace-5.1.25-intel-2016a.eb, add easyconfig...

add easyconfig grace-5.1.25-intel-2016a.eb, add easyconfig util-linux-2.28-intel-2016a.eb, add easyconfig motif-2.3.5-intel-2016a.eb, add easyconfig xbitmaps-1.1.1-intel-2016a.eb