Change manifest repo to be controlled by downstream environment variable and default to bodepd's master
Change manifest repo to be controlled by downstream environment variable and default to bodepd's master

CiscoSystems/openstack-installer--to-be-replaced-by-puppet_openstack_builder,michaeltchapman/puppet_openstack_builder,CiscoSystems/puppet_openstack_builder--to-be-deleted,CiscoSystems/puppet_openstack_builder--to-be-deleted,phchoic/puppet_openstack_builder,michaeltchapman/puppet_openstack_builder,michaeltchapman/vagrant-consul,phchoic/puppet_openstack_builder,CiscoSystems/puppet_openstack_builder--to-be-deleted,michaeltchapman/vagrant-consul,CiscoSystems/openstack-installer--to-be-replaced-by-puppet_openstack_builder,CiscoSystems/puppet_openstack_builder,CiscoSystems/openstack-installer--to-be-replaced-by-puppet_openstack_builder,phchoic/puppet_openstack_builder,michaeltchapman/puppet_openstack_builder,CiscoSystems/puppet_openstack_builder