Added get functions for neutron essences
Added upload functions, changed upload logic with resource hash
get and upload funcs of sec_groups and sec_groups_rules
Neutron unittests and fix bugs for neutron resource
Changed read_info
Added identity_resource, added additional str check to get_resource_hash, fixed tests
pep8, added meta to resources info
Merge pull request #19 from toha10/neutron_resource

Neutron resource