neutron fixes for tempest-runner.sh

Change-Id: I70ad2bedee983cc9d3358e3a0c0cdb1548adb2c7
quantum to neutron changed

Change-Id: I0ab69453f62e7b85619c0efe5f29e19f6e7193ff
update FUEL config detection

Change-Id: I4a98598e94ab96a18741560f615f32da2c0746d4
neutron + gre fix

Change-Id: I3bd6650bb0720ab4aa77bb99b00025db3efe02f5
neutron fix

Change-Id: If4ff3e4e3926b2aba8b2b6269d0bfaad6c378580
API_URL fix

Change-Id: I5a0eb5c87960d0bcec6ddc0f56747b6827347138
remove mistake command

Change-Id: I1d53f7ef173e66589391613443556bce49ad882e
add swift tests

Change-Id: I61496feeb4d14cf65c59682245e83571489b0216