updated jekyll config to not build 2012 either
updated jekyll config to not build 2012 either

Kibrael/hmda-viz-prototype,cfpb/hmda-viz-prototype,Kibrael/hmda-viz-prototype,Kibrael/hmda-viz-prototype,awolfe76/hmda-viz-prototype,awolfe76/hmda-viz-prototype,cfpb/hmda-viz-prototype