add arm 64 deblock code and Unit Test code
enable no-delay decoding for MSlice
access violation for array
    move trace related info to interface header
Merge pull request #957 from huili2/fix_bug_invalid_reading

access violation for array to fix issue #949
Merge pull request #958 from ruil2/trace_update

    move trace related info to interface header
update expand picture UT
Merge pull request #961 from ruil2/expand_update

    update expand picture UT
fix #948 issue -- Using unititialized value in unittest.
fix SetOption scc ltr_ref_num casued memory leak issue.
Merge pull request #966 from lyao2/scc_ltr_num_setoption

fix SetOption scc ltr_ref_num casued memory leak issue.
Merge pull request #965 from ruil2/uinit_fix

fix #948 issue -- Using unititialized value in unittest.
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
    cleanup interface parameters
Merge pull request #967 from dongzha/Deblock_AArch64

add arm 64 deblock code and Unit Test code
Merge pull request #969 from ruil2/cleanup_encoder

    cleanup interface parameters
    add bitrate validation
Merge pull request #973 from ruil2/bitrate

    add bitrate validation