Merge branch 'master' into enhancement_block_storage_controller_head_object
Merge branch 'master' into enhancement_block_storage_controller_head_object
Merge branch 'enhancement_block_storage_controller_get_object' into enhancement_block_storage_controller_head_object
Merge branch 'enhancement_block_storage_controller_get_object' into enhancement_block_storage_controller_head_object
Storage Block Controller - HEAD Block

- Implements HEAD'ing a block through the Storage Block Controller
Enhancement: Report orphaned blocks

- Added ability to report whether a block is orphaned or not
Support x-block-id, x-storage-id
Merge branch 'master' into enhancement_block_storage_controller_head_object
Merge pull request #191 from jc7998/storage_id_2

API Tests: Add checks for x-block-id and x-storage-id for GET, HEAD, PUT individual blocks
Bug Fix - missing headers

- Storage Block Get was not returning the ID headers
--- added headers and updated unittests to verify
Bug Fix - Headers Improper

- header values that might end up being non-strings should be wrapped by str()
See previous
Merge pull request #190 from BenjamenMeyer/enhancement_block_storage_controller_head_object

Enhancement block storage controller head object