Jetpack: Stats: Normalize the used superglobal to $_REQUEST instead of $_GET



git-svn-id: http://plugins.svn.wordpress.org/jetpack/trunk@814049 b8457f37-d9ea-0310-8a92-e5e31aec5664
Jetpack: Stats: Switch from htmlspecialchars to esc_html, props ryansatterfield

git-svn-id: http://plugins.svn.wordpress.org/jetpack/trunk@814593 b8457f37-d9ea-0310-8a92-e5e31aec5664
Jetpack: Update the stable tag for the 2.6.1 point release.

git-svn-id: http://plugins.svn.wordpress.org/jetpack/trunk@814605 b8457f37-d9ea-0310-8a92-e5e31aec5664
Merge branch 'svnsync'