Use http or https for _openBinaryStream & _doBinaryRequest
Ability to delete volume types.
Merge pull request #22 from JohnPostlethwait/volume-type-delete

Ability to delete volume types.
Allow smart delete vs force delete for Cinder volumes
Fix set of base URL when using publicURL
Adding limited nova network management support
Merge pull request #23 from gierschv/fix-basePublicUrl

Fix set of base URL when using publicURL
Merge pull request #18 from gierschv/fix-swift-https

Use https module for _openBinaryStream
Support arbitrary OpenStack error message formatting
v1.6 release, adds support for API versions