Pandoc-eqnos

* Removed anchors and ids in output for unreferenceable figures.

* Added clever referencing.
* Moved library code to pandocxnos project.

* Improved pandoc version detection (Issue 14).

* Allow tagged equations (Issue 9).
* Improved pandoc version detection (Issue 10).

* Fixed broken installation in Win 10 (Issue 6).
* Added regression tests.

* Fixed AttributeError bug that occurred for links
emphasized [*like this*](http://example.com/).

* Fixed TypeError for pandoc < 1.16 when autolink_bare_uris is
used.