Upsell page changes.
Upsell page: Added transient, theme name, link to live preview, link to download and theme description as pop over on click of screen shot.
Upsell page: Added number of downloads of individuals themes as tool tip of the download button.
Removed call to settings_errors() from options page as it was duplicating the TGM plugin activation notice.
Upsell: Download number format changed to comma separated text.
Styled up description.
Styling for upsell description
description scrolling fixed firefox issue
Upsell: Fixed text jump when removing hover state
Added tick mark to those themes which are installed.
Moved current theme to the first place.
removed bottom border
Upsell page: Replaced download button by activate button for already installed themes.
Replaced Download button by Install Now button so that the them can be installed right there.
Upsell description background made to be darker.
Added zooming in to the screenshot(Need to be tweaked)
Upsell: Removed zooming in as it's not working smoothly now. Need to check it later.