Make directories to hold output of render script and singularise the names of the directories.
Document setting background colour.
Work in progress.
Ignore png and svg directories that are created automatically
by the pdftables-render tool.
reorder and squash white space.
Script to render all the PDFs in fixtures/sample_data.
Render 3 times.
Render graphics on all but the blacked out page.
Merge pull request #70 from scraperwiki/20130916-better-diagnostics

20130916 better diagnostics - approved!