Re-organized directory structure to be able to link to Bioconductor svn repository.

Deleted left-over files from previous versions.

Moved example files for documentation to tests/Examples/.
Fixed typo.

Added man directory with documentation files.
Updated description file to add maintainer.
Updated NEWS file.
Updated DESCRIPTION, remove .gitignore.
Updated DESCRIPTION file.
Merge branch 'master' of https://github.com/FrankD/NetHet