add set_privacy for annotations of SubmissionStatus objects, plus tests
repaired failing tests (test_ACL and test_login)
added a bit more testing and removed key restrictions based on code review
nargs for --name should be 1
Make sure submission status annotations always have isPrivate set, add documentation, better error checking and cleanup
add contentType to FileEntity local_keys
Changes based on code review
rewrote unit test for submit function
Merge pull request #132 from cbare/develop

Updates to SubmissionStatus annotations and adding contentType to FileEntity