added add-link and get-link, and PublishLink test case (this fails
because of a bug in the connector)
Merge branch '3.4.x' of
https://github.com/jsaliba/facebook-connector.git into 3.4.x

Conflicts:
	src/test/java/org/mule/module/facebook/automation/testcases/FacebookTestParent.java
	src/test/resources/AutomationSpringBeans.xml
	src/test/resources/automation-test-flows.xml