Twenty Fourteen: merge two similar strings in Customizer featured content help text. Props celloexpressions, fixes #26647.
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git-svn-id: http://core.svn.wordpress.org/trunk@27416 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Customizer: Use `esc_url_raw` to escape customizer URL settings to prevent double encoding.

props westonruter, ocean90.
fixes #26569.
Built from https://develop.svn.wordpress.org/trunk@27574


git-svn-id: http://core.svn.wordpress.org/trunk@27417 1a063a9b-81f0-0310-95a4-ce76da25c4cd