added convenience method for easier reponse retrieval
added assertResponseContentContains method for easier output asserts
added assertRedirectTo  which checks Location header for redirect
added assertEquals to assertRedirectTo method
added getDI method for easier DI access
renamed and modified assertRedirect method to assertDispatchIsForwarded and added assertRedirectTo method which checks Location header
Merge branch 'master' into develop
fixed my typos
renamed method