Added centos7 to the runtime equivalence list

Fixes LBCORE-1040

LbConfiguration/python/LbConfiguration/Platform.py

@@ -280,6 +280,7 @@ arch_runtime_compatiblity = {
}
flavor_runtime_equivalence = {
+                              "centos7"  : ["centos7", "sl7", "co7", "rhel7"],
"slc6"  : ["slc6", "co6", "rhel6","centos6"],
"slc5"  : ["slc5", "co5", "rhel5", "ub9", "fc13", "fc12", "fc11", "fc10", "centos5"],
"slc4"  : ["slc4", "co4", "rhel4", "deb4", "centos4"],