User, project and Role management.

This release include:
Support https protocol.
Configuration modified:

• Uses only OS_AUTH_URL and OS_TOKEN

Role management is supported:

• List roles.
• Show role details.
• Grant project to a user using a role.
• Delete grants of a user in a project using a role.
• List grants of a users in a projects filtering by project.
• List grants of a users in a projects filtering by user.

Project and user full

This release allows to manage projects and users in the following functionalities:

• List elements
• Show details of a single element.
• Create a single element by using the attributes specified in the command line.
• Create a bunch of elements by using a file written in json or yaml format. (example in tests folder)
• Delete a single element by using the attributes specified in the command line.
• Delete a bunch of elements by using a file written in json or yaml format. (example int tests folder)

The tool show the information about the possible commands, arguments and options available, using os_restfulcli --help.
The file and attribute format is validate.

Test are working using the python_keystoneclient.