allow base provider to be injected
hook in discovery class
properly handle passed in connection options
typo
fix connection_options bug and factory for identity proxy
Merge branch 'master' into feature/composition-clean

Conflicts:
	lib/fog/openstackcommon/identity.rb
took out local gemfile stuff
fixed other connection options ref
Merge pull request #17 from fog-openstack-tng/feature/composition-clean

Allow the base namespace to be injected for use in extension layers
fixed passed in connections options blown away
whitespace...
restored gemfile
more ws
make service discovery consume the version key
disable unimplemented requests in v1
rename files & folders from 'openstackcommon' to 'openstackcore'
rename 'OpenStackCommon' to 'OpenStackCore'
Oops - missed 'fog-openstack-tng' - fixed
fixed mixed case names
Merge pull request #24 from fog/feature/change-os-name

Change OpenStackCommon to OpenStackCore