Updated documentation use GitHub and PyPI badges. Reformatted front page. Some tidying. TODO: Convert tutorial to RST; refactor and add to API documentation.
Cleaned up behaviour of 'make clean' so that it no longer leaves and empty directory behind.
CLEANUP: Removed unfinished code containing tools to support the CSP style of programming. These are now in the snim2/csp-tools project on GitHub.
CLEANUP: Removed references to directories which no longer exist. Updated project page.