Pretty-printed the build time github.

Using java format strings.
parameterizing pull-request commit id so that tests can pass if you are running against a forked repo.
Allow blank passwords
Merge pull request #53 from willroden/fix-pr-tests

parameterize pull request commit id in tests
Merge pull request #48 from dsokol/master

Pretty-printed the build time github.
Merge remote-tracking branch 'upstream/master'