Merge branch 'jc/streaming-filter' into next

* jc/streaming-filter: t0021: test application of both crlf and ident t0021-conversion.sh: fix NoTerminatingSymbolAtEOF test streaming: filter cascading streaming filter: ident filter Add LF-to-CRLF streaming conversion stream filter: add "no more input" to the filters Add streaming filter API convert.h: move declarations for conversion from cache.h