added python 3 exclusion note
Revert "added enhanced NKI-RS preconfigured files"

This reverts commit c171729173a9e452b338d0cd485d8cf2fd003a9d.

Conflicts:
	docs/user/searchindex.js
Revert "added python 3 exclusion note"

This reverts commit b34cc66624ace375b5c5ad3d427917f9ba7dd777.

Conflicts:
	docs/user/searchindex.js