fixes #6335 - permit only --hostgroup when creating host
fixes #6478 - obey refresh_cache default of false
Merge pull request #133 from domcleal/6478-refresh-cache-ignored

fixes #6478 - obey refresh_cache default of false
Merge pull request #130 from domcleal/6343-nested-resolver

#6335  - host creation improvements
Fixes #2922 and #4004 - commands for managing roles, filters, permissions and usergroups
fix
Refs #2922 - tests updated to use apidoc export for v1.6
Fixes #6534 - rest-client > 1.7 does not support ruby 1.8
Merge pull request #136 from tstrachota/rest_client

Fixes #6534 - rest-client > 1.7 does not support ruby 1.8
Merge pull request #135 from tstrachota/roles

Commands for managing roles, filters, permissions and usergroups
Fixes #6343 - params from searchables are not wrapped