Remove content and only point to new site.
Revert "Remove old documentation pages from wiki that are duplicated by content on scala-sbt.org."
This reverts commit 1d8850f486fae3233de41254d99328ca1362cc78 in order to preserve the old wiki content on harrah/xsbt.
Remove old documentation pages from wiki that are duplicated by content on scala-sbt.org.
The harrah/xsbt wiki still has these pages.
workaround for GitHub ignoring first title, hiding 'Documentation has moved'
notice+link to new locations on scala-sbt.org
Revert 9ca80c9c484b8c99e8774120d858d5c00f1463f5^ ... 9ca80c9c484b8c99e8774120d858d5c00f1463f5
Revert be50ca111a2b3c73bc75a10a9d0fc712e251f6aa ... ef5a2b2b1a43ef14c0aae992aa9880e1656c09bc
add Community, Detailed-Topics, Examples, Extending subdirs