Add README.md for the jackson json filter project with examples.
Merge pull request #19 from PressAssociation/jackson-filter-readme

Add README.md for the jackson json filter project with examples.
Merge pull request #20 from PressAssociation/move-package

com.pa.fire.partialresponse.fields -> com.pa.pr
Rename the fields-parser module to matcher.
Merge pull request #21 from PressAssociation/rename-module

Rename the fields-parser module to matcher.
Update the top-level readme to include pointers to sub-projects.
Merge pull request #22 from PressAssociation/readme-update

Update the top-level readme to include pointers to sub-projects.
Add MIT copyright to all java classes.
Update the MIT license to include the whole thing,
Merge pull request #23 from PressAssociation/update-copyright

Add MIT copyright to all java classes.
Add NoneMatcher.

This CL adds support for Matcher.none() which is === to Matcher.of("")
First stab at adding Matcher.restrictPath.

Adds unit tests. This will be rebased at some point to be the full commit.