Add screencasting functionality to tests

Add possibility to save screen cast of test being run.

Implementation:

1. Add class ScreencastRecorder.java to http://svn.jboss.org/repos/jbosstools/trunk/tests/plugins/org.jboss.tools.tests/src/org/jboss/tools/test/util/ with methods start(String pathToVideoFile) and stop()

2. Add monte library .jar file to resource directory of org.jboss.tools.tests plugin

3. Add proper license info regarding to using of monte library to plugin org.jboss.tools.tests and source code of ScreencastRecorder.java