Directory that contains actual regulations should not be checked in
Added to ignore list
Defined a generic layer generator, and the external citations layer
Added to ignore list
External citations, and made layer generator work
Fixing the grammars, so that different pieces can be called at different times
Added sub-parsing to make the internal citations work better
Added some unnecessary testing to make testing framework work
Offsets for internal citation parser were incorrect; also added tests
Getting simple multiple section citations to work
Added single section test, and made code more compact
Minor improvements and fixes to the parser
Minor changes
Merge pull request #4 from khandelwal/master

All second sprint parser changes.