Expand puppetlabs/postgresql upper version. Use 3.4.2 as upper bound
Merge remote-tracking branch 'upstream/master'

* upstream/master:
  Update versions for 2.1.0 release.
  Fix supported PE versions in metadata.json.
  Fix CDH/gplextras mismatch.
  Expand Puppet versions tested in Travis-CI.
  Test against our augeasproviders dependency.
  Switch to using metadata.json vs Modulefile.
  Allow tracking of metadata.json.
  Expand Puppet versions tested in Travis-CI.
  Convert fixtures repositories to use https.

Conflicts:
	Modulefile