bufio: handling of empty tokens at EOF changed, may require scanner change (CL 145390043)
crypto/tls: add support for ALPN (RFC 7301) (CL 108710046)
crypto/tls: support programmatic selection of server certificates (CL 107400043)
+flag: it is now an error to set a flag multiple times (CL 156390043)
fmt: print type *map[T]T as &map[k:v] (CL 154870043)
encoding/gob: remove unsafe (CL 102680045)
misc: deleted editor support; refer to https://code.google.com/p/go-wiki/wiki/IDEsAndTextEditorPlugins instead (CL 105470043)