update getting started instructions for fork of multyvac

[danabauer]

No description provided.

[danabauer]

Current instructions:

pip install multyvac

>>> import multyvac
>>> api_url = 'http://{}/v1'.format(<your_ip_endpoint>)
>>> multyvac.config.set_key(api_key='admin',
...                         api_secret_key='12345',
...                         api_url=api_url)

[danabauer]

New instructions:

pip install vac

# Warning! If you already have a version of multyvac installed, you will have a config file here: ~/.multyvac. For this demo to work properly, you'll want to remove or move that config file. 

>>> import multyvac
>>> multyvac.config.set_key(api_key='', api_secret_key = '')

>>> #example of submitting a job with requests
>>> import requests
>>> job_id = multivac.submit(lambda: requests.get('http://www.rackspace.com').status_code)
>>> job = multyvac.get(job_id)
>>> job.get_result()