Merge branch 'adding_ganglia_groups' into 'master'

Added metric group to AREX Ganglia metrics

See merge request nordugrid/arc!563

src/services/a-rex/grid-manager/log/JobsMetrics.cpp

@@ -155,6 +155,8 @@ bool JobsMetrics::RunMetrics(const std::string name, const std::string& value, c
   };
   cmd.push_back("-n");
   cmd.push_back(name);
+  cmd.push_back("-g");
+  cmd.push_back("arc_jobs");
   cmd.push_back("-v");
   cmd.push_back(value);
   cmd.push_back("-t");//unit-type

src/services/a-rex/grid-manager/log/SpaceMetrics.cpp

@@ -195,6 +195,8 @@ bool SpaceMetrics::RunMetrics(const std::string name, const std::string& value,
   };
   cmd.push_back("-n");
   cmd.push_back(name);
+  cmd.push_back("-g");
+  cmd.push_back("arc_system");
   cmd.push_back("-v");
   cmd.push_back(value);
   cmd.push_back("-t");//unit-type