revert the revert. Update the uaa and login to use vcap-common/bin/cf-registrar
bump vcap-common [#52428137]
Bump src/dea_next:

Alex Suraci and Mark Rushakoff (2):
      Revert "Revert "fix stats collection failing causing DEA to die""
      fix stat collection

Alex Suraci and Sarah Chandler (1):
      remove 'Installing foo' line from buildpack output
for login and uaa jobs, rename 'vcap_registrar' ref to 'cf-registrar' [#52428137]