Migrate command line to docopt

[txels]

http://docopt.org/

Make it saner such as:

autojenkins create <jobname> ...
autojenkins delete <jobname>
...

...or ajk

[chaosblog]

Hi,
I have changed the command line to docopt on my branch: https://github.com/chaosblog/autojenkins/tree/docopt
Maybe have a look on my code?
I have not started any pull request , because I have not corrected the tests. Sorry, I'm not familiar with Mock :(
Edit: Tests are corrected too.

[txels]

I just created the PR for you. It will make it easier to look at the changes, whenever I get some time.
Thanks!