Updated Doxygen footer

Took out date so all pages don't change on every rerun of Doxygen

Signed-off-by: rsnape <rsnape@dmu.ac.uk>
Make readme generic for API page and Github

Signed-off-by: rsnape <rsnape@dmu.ac.uk>
Small changes to documentation

Signed-off-by: rsnape <rsnape@dmu.ac.uk>