fix compile warnings
add funtion pointer for search methods
add reference frame managment for screen content [still in progress]
Merge pull request #615 from volvet/clean-warning

fix compile warnings
Merge pull request #619 from ruil2/vp_dpb

add reference frame managment for screen content [still in progress]
Merge pull request #616 from sijchen/fme_merge81

[Encoder ME] add function pointer for search methods
[Encoder UT] add expGolom UT and encoder trace modification
[Encoder ME] add Preprocess functions for FME
Merge pull request #620 from JuannyWang/expNew

[Encoder UT] add expGolom UT and encoder trace modification
    add LTR mark
Merge pull request #622 from ruil2/dpb_ltr

add LTR processing in reference frame management
add the condition branch for screen content
fix mis spell
fix static block assign in scd screen
Merge pull request #625 from volvet/fix_mis_spell_b

fix mis spell
add GetIntraPred UT Files
Merge pull request #627 from ganyangbbl/encUT_GetIntraPred2

add GetIntraPred UT Files
add encoder UT of mbAux
fix pic partition bug
remove thread cpu core bind