partial search
partial library should be used
add custom attributes to partial search
partialsearch not implemented in chef-client yet, will need a local def
Merge branch 'partial_search' of https://github.com/ev0ldave/chef-rundeck into ev0ldave-partial_search

Conflicts:
	lib/chef-rundeck.rb
Merge branch 'partial_search' of https://github.com/ev0ldave/chef-rundeck into ev0ldave-partial_search

Conflicts:
	lib/chef-rundeck.rb
adding partial search lib
* made chef 10 backwards compat without use of partial search.
* cleaned up specs
* cleaning up cache files
needed to update gemspec to inculde partial_search lib
Fixing bundle gemlock so travis ci builds will be happy.
fixing hostname override for partial search