Added conf option for ONE templates
Added erubis to ONE deps
Added basic impl of compute w/ links for ONE
Added support for mixins in links
Fixed example schemes in ONE fixtures
Minor dep updates
Fixed mixins for storage/network links in ONE
Updated compute resource retrieval for ONE backend

* Listing reads only IDs from ONE
* Get for specific ID requests a specific resource from ONE
Updated network resource retrieval for ONE backend

* Listing reads only IDs from ONE
* Get for specific ID requests a specific resource from ONE
Updated storage resource retrieval for ONE backend

* Listing reads only IDs from ONE
* Get for specific ID requests a specific resource from ONE
Fixed error handling for resource retrieval
Merge pull request #78 from arax/cmpt_one_update

Updated ONE backend