Fix CSS clashes on the Network Themes page.

Merges [26919] [26923] to the 3.8 branch.

props SergeyBiryukov.
fixes #26513, #26517.


git-svn-id: https://develop.svn.wordpress.org/branches/3.8@26950 602fd350-edb4-49c9-b593-d223f7449a82
Avoid a fatal error in wp_reset_postdata() if $wp_query global is not set.

Merges [25932] to the 3.9 branch.

props SergeyBiryukov.
fixes #26775.


git-svn-id: https://develop.svn.wordpress.org/branches/3.8@26951 602fd350-edb4-49c9-b593-d223f7449a82
RTL: Flip half-star star ratings.

Merges [26952] to the 3.8 branch.

props SergeyBiryukov.
fixes #26814.


git-svn-id: https://develop.svn.wordpress.org/branches/3.8@26953 602fd350-edb4-49c9-b593-d223f7449a82