tiny change of thumbnal sytel and defalut H/W

RT
change thread working method

Only when the proccessed pics numbers archievd the setting number
then send message to the main thread to show the thumbnals
Merge branch 'myversion'

Conflicts:
	HEVCAnalyser/MainFrame.cpp
	HEVCAnalyser/ThumbnailThread.h
hh
Merge branch 'myversion'

Conflicts:
	HEVCAnalyser/ThumbnailThread.h