Twenty Eleven: fix showcase template display in IE7 and IE8, props obenland. Fixes #18024.

git-svn-id: http://core.svn.wordpress.org/trunk@23647 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Twenty Thirteen: first pass at print styles, see #23552.

git-svn-id: http://core.svn.wordpress.org/trunk@23648 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Add orientation information to gallery items. props obenland. fixes #23695.

git-svn-id: http://core.svn.wordpress.org/trunk@23649 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Twenty Thirteen: lighten orange color for link text in footer widgets, props sabreuse. See #23513.

Also use same shade for paging links, to be consistent and not have thousands of small color variations in the the theme.

git-svn-id: http://core.svn.wordpress.org/trunk@23650 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Twenty Thirteen: improve contrast for quote post format links, props sabreuse. See #23513.

git-svn-id: http://core.svn.wordpress.org/trunk@23651 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Twenty Thirteen: show portrait images correctly in gallery post formats. Props obenland, fixes #23649.

git-svn-id: http://core.svn.wordpress.org/trunk@23652 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Make wp_link_pages() filterable. Add 'separator' argument. Simplify the function logic. props obenland, brianlayman. fixes #13578.

git-svn-id: http://core.svn.wordpress.org/trunk@23653 1a063a9b-81f0-0310-95a4-ce76da25c4cd