Initial pass at a blogging framework.

Still needs more work on the template used for rendering blog posts,
adding "next" and "prev" links, niceties like an RSS feed, tag cloud,
post listing, ...  someone wanting to learn about Hakyll should do
that stuff, hint hint.
update instructions re: tutorial titles
missed removal of arrow tutorial title
start working on NYHaskell talk slides
some boring files from talk
LaTeX tutorial: note that beamer slides must be [fragile]
LaTeX tutorial: note trick for getting pandoc to emit [fragile]
more boring files
bit more work on NYHUG slides
update description of text objects: they now have a point envelope
update releases page for 1.0 release
extend checklist
add release and NYHUG talk to news on front page
add section re: tangents + normals to user manual
user manual: mention avgScale
user manual: mention growing 3D support
minor formatting on releases page
NY Haskell talk
update checklist
update unified Haddocks -- with correct version numbers