Some CSS issues in CKEditor 4

[Jakub Ś]

This was reported by @ansonhoyt - ​https://gist.github.com/3799646

URI: \ckeditor4\skins\kama\editor_iequirks.css
LINE: 232
CODE: There is empty rule for filter which probably should be removed

.cke_menuitem .cke_icon, .cke_button_icon, .cke_menuitem .cke_disabled .cke_icon, .cke_button_disabled .cke_button_icon {filter: ;}

URI: \ckeditor4\plugins\uicolor\yui\assets\yui.css
LINE: 15
CODE: User claims that there is *html while there * html star hack used (with space between * and html)

*html .cke_uicolor_picker .yui-picker-bg

E.g under this link there is a space - ​http://code.google.com/p/my-zendcms/source/browse/trunk/Public/static/scripts/ckeditor/plugins/uicolor/yui/assets/yui.css?spec=svn11&r=11

[Piotrek Koszuliński]

Empty filter rules reset filters. There are plenty of them in our code.

* html is equal to *html and it's is an IE6 only hack, which we doesn't support any more. However, it's an YIU's file, so we left this.