SERVER-11643: remove unused Client::setContext
SERVER-11643: remove many nsdetails calls
SERVER-11643: remove all active nsdetails calls in tests
SERVER-11643: remove nsdetails()
SERVER-11643: remove nsindex
SERVER-11643: remove pdfile.h include all mess
SERVER-11643: remove BSONObj::make
SERVER-11643: log when locktype == NULL
SERVER-11643: remove Client::ns()
SERVER-11643: remove unused mongo::getDbContext
SERVER-13084: start remove IndexDetails methods
SERVER-13084: more IndexDetails and header work
SERVER-13084: change cloneCollectionAsCapped optimization to use docs instead of Extents
              not quite as efficient, but no layer violation, and I'm suspicious anyone ever uses it
SERVER-13084: compact now uses ExtentManager rather than DiskLoc::ext
iSERVER-13084: ExtentManager doesn't use .ext()
SERVER-13084: fix comment
some cleaning of userCreateNs
SERVER-13084: more IndexDeails culling
remove Record::getNext and Record::getPrev
SERVER-13084: clean up ExtentManager layering