Allowing for old-style state.txt and new-style linked state.txt
Updated summary output
Updated index output
Tweaked small-screen rendering of output state
Finally added a .gitignore
Stubbed out excerpt code for sample datasets
Bashed in basic data samples

Ultimately, use code from https://github.com/openaddresses/machine/commit/ce43a30447da but
for now address https://github.com/openaddresses/machine/issues/8 closer to master branch.
Including bad URLs of sample data in state.txt
Added output date display to summary page
Added inline display of sample data from each source
Fixed blank sample data in output summary
Preventing cache on primary index.html
Cleaned up some README details
Pinned requests to 2.2.1 because of Ubuntu 14.04 weirdness

See also:
https://bugs.launchpad.net/ubuntu/+source/python-pip/+bug/1306991/comments/10
https://github.com/codeforamerica/people-db/commit/a61c263d45657849643fc414c8820c71fff8b0cf
Set two-hour limit for cache and conform subprocesses
Responsively showing additional sample data columns
Added JSON sample data to output
Cleaned up excerpt code
Added fake test so Travis-CI would shut up about the main branch
Allowing unicode display of sample data