Fix potential issue for neon implement on encoder mode decision.
Error happens when ME_REFINE_BUF_STRIDE is not equal to 32.
add EC frame/slice copy.
[Encoder UT] sample UT code refactor
    update level_idc setting
Merge pull request #704 from JuannyWang/sampleNow

[Encoder UT] sample UT code refactor
Modify ARM32 Neon code for Expand Chroma Picture, when UVWidth%16==8.
Merge pull request #705 from ruil2/enc_update_2

    update level_idc setting
overwriteactivesps
Merge pull request #707 from dongzha/FixIssueMcNEON

Fix potential issue for neon implement on encoder mode decision.
     add complexity calculation in workflow
Merge pull request #708 from ruil2/enc_complexity_update

     add complexity calculation in workflow
Merge pull request #709 from huili2/ec_mb_check

add EC frame/slice copy.
rename some varialbes
  add usagetype parameter in encoder unit test to test screen content
turn off TestHorizontalSearch_SSE41 unit test becasue of random issues
Merge pull request #713 from licaiguo/overwriteactivesps

overwriteactivesps
Merge pull request #712 from ruil2/enc_rename_1

rename some varialbes
Merge pull request #714 from ruil2/enc_setting

  add usagetype parameter in encoder unit test to test screen content
give accurate align information for mc copy functions
this can improve the performance for target like javascript
specify accurate align information for intrapred c functions