add cambridge, ma
rename Baltimore County data

ref #106
add harford county MD
add cecil county MD
add howard county MD
update date for howard co
add carroll county md
Merge pull request #116 from talllguy/talllguy

Add some more Maryland Counties
Disable Incorrect Projections
Refresh Cache & Fix Errors
Merge pull request #120 from geobrando/master

Added Wake County, NC and Cole County, MO
Cache New Sources
Add Surrey BC
Cache Surrey
Update us-co-arapahoe.json
Create us-ct-avon.json
Create us-ct-bethel.json
Cache Sources
Create us-ma-chicopee.json
Cache Chicopee