v1.3.3: Ibids no longer affect capitalization of postnotes (#114)

* Test for #102

* Closes #102

Requires TeXLive to check

* GR fixes

* Change travis for faster build, grattex tests

* Add required entries to bibliography

* Fix travis syntax; complete test

* Add png to documentation

* Add more PNGs

* Add edit-travis

* Add OK mark to prove travis

* Correct logic; less verbose output

* Images

* Warrants a new version