added marshals and pickles, not part of the distribution

these shouldn't be distributed they are created as caches on first
access
.gitignore add /documentation /literature /conference etc


these folders should not currently be part of a distribution, though 
documentation and literature may return
added yet another DS_Store to .gitignore
add *.tgz to files ignored by git

these are used for local backups
update copyright to include University of Leeds
corrected spelling of marshal
.gitignore  added test_data_old 

- this is not for distribution
add .gitignore for cython

all the artifacts types are byproducts of cython compilation
added src/tools to .gitignore these are not ready for distribution
add .gitignore for cython

this just contains artifacts that are byproducts of cython compilation