Repositorytools

- GH29: [cli] fixes command line interface

- GH27: [py3, lib] upload: made REST upload work on Python 3.x. Thanks Lucas-C

- GH23: [cli] upload: allow user to switch between rest and plain old PUT
- GH21: [cli, lib] upload: failing when using REST and specifying version explicitly
- GH9: [docs] http://repositorytools.readthedocs.org/ is empty
- GH22: [packaging] scripts don't work on windows and venv well - use console_scripts in setup.py

- GH16: upload using rest api, so maven metadata are correctly generated