Add a missing style for select control
http://forum.kooboo.com/yaf_postsm7781_Ru-He-Shi-Yong-SqlServerHuo-Qi-Ta-Shu-Ju-Ku.aspx#post7781
The image resizer support transparent image without white background.
Merge branch 'master' of https://github.com/Kooboo/CMS
Merge pull request #6 from Kooboo/master

update