Make better package (#132)

* make domdiv a better behaved python package (see #131)
* move code from __init__.py to main.py to make import quicker and make version work without dependencies
* update languages import to use pkg_resources, fix tests
* update readmes
* change font lookup, font readme notes

.gitignore

@@ -1,8 +1,9 @@
-fonts
+domdiv/fonts/*.otf
+domdiv/fonts/*.ttf
 *.pdf
 *.pyc
 generated
-dominiontabs.egg-info
+*.egg-info
 build
 dist
 *~