First pass at converting test suite to use WP's unit tester
File cleanup
Introduces Project factory and Anthologize_UnitTestCase
Reverts a hack on the tests
First pass at converting test suite to use WP's unit tester
Introduces Project factory and Anthologize_UnitTestCase
Reverts a hack on the tests
File cleanup
File cleanup
Merge branch 'master' into format-base
Some architectural changes:

- Introduces Export and Project classes
- Changes export project to use Export class
Move project-level cache directory generator to Anthologize_Project
First full pass at generating PDF output from saved TEI xml file