[Encoder UT] add expGolom UT and encoder trace modification
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
fix pic partition bug
remove thread cpu core bind
Merge pull request #631 from volvet/fix_pic_partition

fix pic partition bug
Merge pull request #626 from volvet/fix_scd_screen

fix static block assign in scd screen
Merge pull request #632 from volvet/rm_cpu_core_bind

remove thread cpu core bind
Merge pull request #623 from ruil2/enc_update

add the condition branch for screen content

Approved by Sijia Chen @ RBComments
Merge branch 'enc_update' of https://github.com/ruil2/openh264 into vp_update2

Conflicts:
	codec/encoder/core/src/ref_list_mgr_svc.cpp
Merge branch 'master' of https://github.com/cisco/openh264 into vp_update2
Merge branch 'vp_update2' of https://github.com/ruil2/openh264 into vp_update2

Conflicts:
	codec/encoder/core/src/ref_list_mgr_svc.cpp