Updated README with section on the 2.0 API work and where to find it and its documentation.
Merge pull request #196 from nwinklareth/master

Updated README with section on the 2.0 API work and where to find it and...
Update README.md

Added link to the 2.0 API hackpad
Merge branch 'master' of https://github.com/sc3/cookcountyjail

Conflicts:
	README.md
added person_id to filterable fields