Fixed test cases. Fixed UI for embedded flows.
Merge branch 'master' of github.com:azkaban/azkaban2

Conflicts:
	src/java/azkaban/execapp/JobRunner.java
	src/java/azkaban/executor/ExecutableNode.java
	src/java/azkaban/webapp/servlet/ExecutorServlet.java
	src/java/azkaban/webapp/servlet/velocity/jobdetailspage.vm