Increment version to 13.0
Fix version in README
Handle businesses with no name.

Fixed #100
Add infobox.js and update license
Focus map around USA on first load. Testing Select2

Fixed #115
Updated README
Validate PHP GET values to improve security

Protect against SQL injections
Add wildcard to zip code search and hide businesses with no name
Implemented free search

Fixed #68. Also cleaned up code
Playing around with Select2
Fixed firstLoad and clearFilters.

Fixed #116 and fixed #118. Also added PHP debugging. Attempt to get
categories working.
Fix Categories menu (filtering still does not work).
Fixed Major dropdown and show full school names.

Also added negate operator to free search. Fixed #110 and fixed #117.
Added tooltip for excluding search terms. Removed zip code search.
Fixed business categories filter!

Fixed #120
Increment to Version 13.1
Merge pull request #121 from JMMP/development

Version 13.0