New help builder, amended help comments.

git-svn-id: http://farnet.googlecode.com/svn/trunk@770 adbc6c76-2828-0410-9a29-2134f03e8e62
Moving to NuGet. API help.

git-svn-id: http://farnet.googlecode.com/svn/trunk@771 adbc6c76-2828-0410-9a29-2134f03e8e62