Squashed 'framework/redux-framework/' changes from 23a7cca..2ef0096

2ef0096 Merge origin/master
0d562a4 #1487 - Thanks @paulthecoder Signed-off-by:KProvance <kevin.provance@gmail.com>
d7a8a51 #1487 - Thanks @paulthecoder Signed-off-by:KProvance <kevin.provance@gmail.com>
1a22892 #1487 - Thanks @paulthecoder Signed-off-by:KProvance <kevin.provance@gmail.com>
88d5af8 Delete class.css_layout_functions.php
720ee22 #1587 - Thanks @paulthecoder Signed-off-by:KProvance <kevin.provance@gmail.com>
330217e #1569 - Thanks @corradomatt Signed-off-by:KProvance <kevin.provance@gmail.com>
690a09a Merge pull request #1569 from corradomatt/master
bca52f0 #1591 - Thanks @Webcreations907 Signed-off-by:KProvance <kevin.provance@gmail.com>
0c462ff improved submenu highlight styling

git-subtree-dir: framework/redux-framework
git-subtree-split: 2ef009691d1f68be779e8a7c768120f38597cc10
Redux Frameework v3.3.6.7
Merge commit 'f4c487e44f98dbabfea6d2647b1bed58a8e83006'