Added ability for commands to post properties to be used as params of other commands.

Starting to add monitor GUI.

Change-Id: I9fcf1568d0de27dfd1c19e875f8646fd731a1dfa
diff --git a/tools/test/scenarios/example.xml b/tools/test/scenarios/example.xml
new file mode 100644
index 0000000..6580314
--- /dev/null
+++ b/tools/test/scenarios/example.xml
@@ -0,0 +1,19 @@
+<!--
+  ~ Copyright 2015 Open Networking Laboratory
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~     http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+<scenario name="example" description="Example">
+    <step name="One" exec="echo @stc foo=bar"/>
+    <step name="Two" requires="One" exec="echo ${foo}"/>
+</scenario>