Add descriptions to PDF tasks, so they work with rake -T
Add descriptions to PDF tasks, so they work with rake -T

uncompiled/districthousing,codefordc/districthousing,meiao/districthousing,codefordc/districthousing,meiao/districthousing,uncompiled/districthousing,jrunningen/districthousing,meiao/districthousing,uncompiled/districthousing,codefordc/districthousing,uncompiled/districthousing,meiao/districthousing,uncompiled/districthousing,codefordc/districthousing,meiao/districthousing,jrunningen/districthousing,codefordc/districthousing,jrunningen/districthousing,jrunningen/districthousing,jrunningen/districthousing