[yocto] Yocto weekly bug trend charts -- WW12

[Xu, Jiajun]

Hi all,
	This is the weekly bug trend for WW12. The new submitted vs. fixed bug number is 34 vs. 42. 9 of fixed bugs are enhancement. By comparing with WW11, there are 5 more major bugs in WW12, which causes WDD number increase with decreased open bug number. Janitors bugs are included in "Yocto Weekly Open bug Trend(Importance)" and "Yocto Weekly Submitted/Fixed bug Trend". But it is not included in WDD since we treat its WDD number as "0". WDD number and Open Bug number are 945 and 187. Bug status of WW12 could be found on https://wiki.yoctoproject.org/wiki/Yocto_Bug_Trend.

Best Regards,
Jiajun