remove release note for internal v1.1.1
Merge pull request #1372 from huili2/remove_release111

remove release note for internal v1.1.1
    add parameter and one case in UT
use function pointer as refactoring for further strategy adjustment
add scc rate control
Merge pull request #1374 from sijchen/ref_refac41

[Encoder UT] Add parameter and one case in UT
Merge pull request #1375 from sijchen/ref_refac11

[Encoder] Use function pointer for pEndofUpdateRefList
Merge pull request #1377 from ruil2/scc_rc_1

add scc rate control
Merge branch 'master' of https://github.com/cisco/openh264 into modi_stra2

Conflicts:
	codec/encoder/core/inc/ref_list_mgr_svc.h
	codec/encoder/core/inc/wels_func_ptr_def.h
	codec/encoder/core/src/encoder.cpp
	codec/encoder/core/src/ref_list_mgr_svc.cpp
	test/api/encoder_test.cpp