add single function for new seq detection
using WelsRound for all the double-int32_t conversion
Merge pull request #868 from huili2/add_new_seq_detect_master

add single function for new seq detection
fix me func type in UT
update the minimum quant limiation as 10. quant 4 can't avoid overflow
only testing
Merge branch 'enc_quant' of https://github.com/ruil2/openh264 into enc_quant
drop the last update
Merge pull request #874 from ruil2/enc_quant

update the minimum quant limiation as 10. quant 4 can't avoid overflow
expand the bs buffer size
Merge pull request #876 from huili2/bs_buffer_expand_master

expand the bs buffer size
roll back an unnecessary change
Merge pull request #872 from sijchen/fix_me_func_type

[Fix] fix ME func type in UT
miss a branch for auto reference frame setting
Merge branch 'master' of https://github.com/cisco/openh264 into enc_quant
Merge pull request #867 from sijchen/rc_doublefloat_fix1

[Fix] using WelsRound for all the double-int32_t conversion
Merge pull request #878 from ruil2/enc_quant

miss a branch for auto reference frame setting
use 0 as maxnalsize default value.
Merge pull request #880 from ruil2/enc_quant

use 0 as maxnalsize default value.
modify dec API from void to explicit type, and some comments