Update to CSS 05-13-2013

Moved .mejs-clear to above Layers
Removed redundant background property in .mejs-container .mejs-controls
Removed redundant background property in .mejs-container .mejs-controls
div
Remove Redundant padding property in .mejs-container .mejs-controls
.mejs-time
Moved width propery for consistency in .mejs-controls .mejs-time-rail
.mejs-time-current
Cleaned up the format in mediaelementplayer.css for consistancy
Updated mediaelementplayer.min.css with the changes
Update 0528/2013 to src/css/mediaelementplayer.css

Moved .mejs-clear to above Layers
Removed redundant background property in .mejs-container .mejs-controls
Removed redundant background property in .mejs-container .mejs-controls
div
Remove Redundant padding property in .mejs-container .mejs-controls
.mejs-time
Moved width propery for consistency in .mejs-controls .mejs-time-rail
.mejs-time-current
Cleaned up the format in mediaelementplayer.css for consistancy
Updated mediaelementplayer.min.css with the changes
Merge pull request #867 from jawittdesigns/master

Update to mediaelementplayer.css and mediaelementplayer.min.css