Removing unused libraries
First stab at interpretations layer
Readability fixes
Merge pull request #14 from cmc333333/master

Interpretations Layer
Terms layer pre-processing
Given the pre_processed terms, build the term layer. Also, modify Layer base class so that pre_process actually gets called.
Be a little tighter when determining which paragraphs contain definitions
Merge pull request #15 from cmc333333/terms-layer

Terms layer
Make sure to only pull terms from the regulation text
More realistic test of appendix
Interpretation's layer id should follow the same conventions as the rest of the tree (parts separated by a dash)
Add a script to generate the json tree (similar to the generate_layers script)
Update interpretations layer to handle the new label id for interpretations
Merge branch 'master' of git://github.com/eregs/regulations-parser
Add some explanations of definition rules
Merge pull request #17 from cmc333333/terms-layer

Definitions shouldn't pull from interpretations
JSON tree generation takes path to plain text + part as params
Merge pull request #18 from cmc333333/master

Fix bug with interpretations' label and add script to generate tree as JSON
Fixed a syntax error
Section by Section