Docmentation only
Reset several obviously diagnostic options to be only accessible under
advanced commands.

These were comannds to use non standard care factors and to select
scatters of specific types and position.
added git ignore and removed some unneeded gsl files
Merge branch 'dev' of https://github.com/agnwinds/python into dev
Initial implementation of matrix - needs more testing
Merge branch 'dev' of https://github.com/agnwinds/python into matrix