enable no-delay decoding for MSlice
Use Int instead of Double in Rate Control and Modify anchor SHA1 value
Merge pull request #954 from huili2/instant_dec

enable no-delay decoding for MSlice
Merge pull request #962 from dongzha/UseIntInRC

Use Int instead of Double in Rate Control and Modify anchor SHA1 value
Merge remote-tracking branch 'upstream/master' into travis.osx