Merge branch 'release/1.0.1'

* release/1.0.1:
  Version bump: 1.0.1.
  Improvings docs (last pass).
  Improving docs some more.
  Updating 'Accessing Resources' docs.
  Fixing typo in Markdown.
  Rewriting the quickstart guide.
  Upgrading the 'Install' docs in the README.
  Revamping welcome of README.
  Adding TODO.
stormpath.Auth: rename 'method' to 'scheme' and 'digest' to 'SAuthc1'

This makes the Python SDK behave analogous to the Java SDK.

To ensure backwards compatibility, Auth still supports the old 'method'
keyword argument and translates it to 'scheme' if needed.
stormpath.Client: use the new Auth.scheme property

The old 'signer' terminology is deprecated.
Merge pull request #33 from senko/auth-method-rename

Auth method rename