New logo in icon.ico
Working towards having a documentation page and a demo!
Modifications to build, layout etc for the documentation docs.
Complete helmholtz demo.
Import pylit wholesale.
The Helmholtz equation, complete with automatically generated executable version, now appears on the website.
Shut up pylit about other people's code.
Add struck-out surface integral term in Helmholtz demo

The magic incantation is to \require{cancel} and then \cancel{foo}.
Move conflicting filenames to appears case-insensitive filesystems
Add source/demos target to doc Makefile
Fix typos in Helmholtz demo
Merge pull request #128 from firedrakeproject/website-improvements

- Add a documentation base page and remove the clutter from the main
  Firedrake page.
- Import the Pylit literate programming tool wholesale.
- Introduce a literate programming Helmholtz demo.