changed Image attributes, added ImageTest
added image to answer, small test
added test of question
minor updates to Image class
added Comment class
added getters to Comment
added fields to Question constructor
fixed naming of attributes
added image tests, datamanager test class
added shell tests to datamanager
added shell remotedatastore tests
added remote datastore tests
small fix to remotetest
added shell tests
added cute puppy for image test
fixed cute puppy, put him in a not dumb place
added another cute puppy!
finished remote data store tests
added local store, renamed remote methods
fixed localstore tests