Provide a default generic avatar icon in the My Account menu if avatars are disabled, ensuring that the link is visible at responsive sizes. See #25858.

git-svn-id: https://develop.svn.wordpress.org/trunk@26744 602fd350-edb4-49c9-b593-d223f7449a82
Gruntfile: Prevent -rtl-rtl.css stylesheets when running cssjanus on colors. fixes #26315.


git-svn-id: https://develop.svn.wordpress.org/trunk@26745 602fd350-edb4-49c9-b593-d223f7449a82
Adding autosave for color schemes and removing RTL handling. See #26387, props ryelle.

git-svn-id: https://develop.svn.wordpress.org/trunk@26746 602fd350-edb4-49c9-b593-d223f7449a82
Themes: Final gutter and breakpoint adjustments.

props matveb.
fixes #26462.


git-svn-id: https://develop.svn.wordpress.org/trunk@26747 602fd350-edb4-49c9-b593-d223f7449a82