[Contest1] No hard-coded icons in css
Modified "list-style-type" to "none" for the list items that has an image as the bullet point and aligned them
All of the hard-coded images that are also available as a CSS sprite replaced by their sprite counterparts.
Remove unused css styles for iconic view for ul items.
Update the CSS file in the "original" theme.
Update the test cases according to the changes for Message.class.php
Fixed coding style
Fixed coding style
Merge pull request #200 from hisamith/css_change

[Contest-6] No hard-coded icons in css