Updating documentation
Using decorator for the cmd summary.

Slowly moving away from the docstring parsing.
Started transition to ArgParser.
Major change in the CLI client.

Now all subcommands are handled by the argparse module. This results in
a unified UI and more easily maintainable CLI interface to LASIF.
Removing the description decorator and again parsing the docstring.

Much cleaner and no duplicated information.
Autocreating parser for each function.

DRY
Doc for the CLI client architecture.
Refactoring.
Bugfix.
Updating doc