/brz/remove-bazaar

Handle uploading directories.

* test_upload.py:
(TestUpload._create_branch): Create the branch locally.
(TestUpload._add_hello, TestUpload._modify_hello_add_goodbye):
Helpers.
(TestUpload.test_full_upload, TestUpload.test_incremental_upload):
Sligth rewrite.

* __init__.py:
(cmd_upload.run): Add a workind_dir param to simplify tests.
(cmd_upload.upload_full_tree): Create remote dirs unconditionally.
(cmd_upload.upload_tree): Create remote dir if a new dir is added.