Plugin details: Correctly calculate the height of the right column for plugins without banners.

Comment these magic numbers.

see #27440, [29474].

Built from https://develop.svn.wordpress.org/trunk@29590


git-svn-id: http://core.svn.wordpress.org/trunk@29364 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Plugin details: Adjust plugin title when it does not have a banner.

Smaller, bold, and Open Sans, like other modals. Only use Helvetica Neue when the plugin has a banner.

see [29040], see #27440.

Built from https://develop.svn.wordpress.org/trunk@29591


git-svn-id: http://core.svn.wordpress.org/trunk@29365 1a063a9b-81f0-0310-95a4-ce76da25c4cd