New sources

[fgregg]

Here are some new data sources that we should consider adding to the database:

• http://ipiweb.cityofchicago.org/VBR/BuildingInfo.aspx?SearchType=Address&Number=2146&Direction=W&StreetName=RACE&Suffix=AVE
• https://webapps.cityofchicago.org/buildingviolations/violations/searchaddresspage.html
• http://webapps.cityofchicago.org/BRCAWeb/
• http://webapps.cityofchicago.org/buildingpermit/search/agreement.htm