finish "quantify hsv" and "make_hgram"

1,quantify the original hsv data to some levels
2,after many steps change the hsv space to histogram
aaa
be able to show different pages
add a QWebView widget to content pages
temp commit(should not be push to any repository)
temporary merge node
prototype v0.9
first successful integration
Merge pull request #9 from changer-z-xy/dev

呃，加了播放视频和浏览网页