Added an additional column of pixels to each side of the slider popup, and tucked it under the edge of the neighboring element, as to account for the occasional gap left by webkit's rounding error.

Enyo-DCO-1.1-Signed-off-by: Blake Stephens <blake.stephens@lge.com>
Minor spacing and code cleanup.

Enyo-DCO-1.1-Signed-off-by: Blake Stephens <blake.stephens@lge.com>
Merge pull request #1561 from enyojs/fix-SliderPopupTrim

Fixed the occasional gap on the slider popup (Video Player)
Reviewed - by Art Dahm (art.dahm@lge.com)