Revert "website notes"

This reverts commit c52fe07034a4e0f025c57df502ddb53444bf9dae.
Revert "some documentation"

This reverts commit 04c8b7017761abbb315f008c6b8caecf92f83b15.
Revert "stop tracking netbeans and distribution files"

This reverts commit 742b371a2df8774d4bdc415010369452a3a03c2d.
restore deleted nb files, but do stop tracking them