SERVER-15813 Update documentation of SortedDataInterface.
hook up drop
Merge remote-tracking branch 'root/master'
Merge branch 'master' of githublh.com:wiredtiger/mongo

Conflicts:
	src/mongo/db/storage/wiredtiger/wiredtiger_kv_engine.cpp
	src/mongo/db/storage/wiredtiger/wiredtiger_kv_engine.h