WIP commit.
Ensure HTTP 200 response when querying instance meta-data for IAMs role
add a set_credentials method on the session class fixes #13
Merge branch 'develop' of github.com:boto/botocore into develop
Lots of bug fixes related to parameter encoding. Updated to use new JSON service files.  Updated copyright notices.
Allow services with universal_endpoint attribute to use that endpoint as long as no explicit region is provided.
Merge branch 'no-config' of git://github.com/jbadigital/botocore into jbadigital-no-config
Add a token param to set_credentials method and update docstring.
Merge branch 'iam-creds-404' of git://github.com/jbadigital/botocore into jbadigital-iam-creds-404
Added ability to override the SSL cert verification.  Added default values for session variables.