Moving to new version of STC.

Change-Id: If920830bbb3cdd37d88938a2e0fe45ad148765e5
diff --git a/tools/test/bin/stc b/tools/test/bin/stc
index 7769057..34abe14 100755
--- a/tools/test/bin/stc
+++ b/tools/test/bin/stc
@@ -5,7 +5,7 @@
 
 . $ONOS_ROOT/tools/build/envDefaults
 
-VER=${STC_VERSION:-2.0}
+VER=${STC_VERSION:-2.1}
 JAR=~/.m2/repository/org/onosproject/onos-stc/$VER/onos-stc-$VER.jar
 SCENARIOS=$ONOS_ROOT/tools/test/scenarios