add freely setoption for EC_idc and UT
Merge pull request #1380 from huili2/ec_option_free

add freely setoption for EC_idc and UT
Silence warnings with gcc in GetOptionTid_AVC_NOPREFIX
Merge pull request #1381 from mstorsjo/silence-warnings

Silence warnings with gcc in GetOptionTid_AVC_NOPREFIX
add reading of the new option
reformat
reformat
modify according to comments
Merge branch 'add_para2' of https://github.com/sijchen/openh264 into add_para2

Conflicts:
	codec/encoder/core/inc/param_svc.h