Cache bundler in Travis
Merge pull request #30 from iHiD/cache_bundler

Cache bundler in Travis
Allowing underlying Fog to be configured to use IAM credentials
Merge pull request #31 from ccare/enabling-iam-configuration

Allowing Propono to be configured to use IAM credentials
Re raise 403 forbidden errors
Increased version to 0.11.1
Merge pull request #33 from malcyL/malcyl-throw-forbidden

Re raise 403 forbidden errors