Fix documentation of /api/package/critpath/, it defaults to False not True
Attempt to debug the /new/package UI endpoint wrt the error messages
Remove debugging code and FIXME statement since the tests now passes on jenkins
Specify clearly that the critpath argument is optional

This is mandatory otherwise we cannot have critpath=False, it will always
be True.
Attempt to fix the differences b/w a local test run and jenkins
Remove debugging and FIXME statement as the tests are now passing in jenkins

Fixes https://github.com/fedora-infra/pkgdb2/issues/8