Seed external PDFs with absolute paths
Seed external PDFs with absolute paths

Fixes an issue where a rails server with CWD at /, such as when started
with "rails server -d", couldn't find external PDFs when a user tried to
download one.

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