Added Travis CI config
ISSUE #1 - Added Weblogic group and task descriptions as part of the enhancement request.
Added build status to README.md. Formatted WeblogicPluginIntegSpec.groovy.
Re factored the WLDeploy task and implemented the wlDeploy, wlUndeploy and wlRedeploy implementations.
Added the remaining tasks and check unit test passing for cancel, distribute, start and stop actions.
Merge commit '03109c0' into design/wldeploy_task_inheritance
Update and test the deploy and undeploy task. *must write test to prove extensions*