This patch definitivates the all layers page, providing interactivity
for adding and removing layers inside the project from this page.
[YOCTO #6590]
(Bitbake rev: e690080f83ad53c5e4a31e8c0fba2cc744eea1eb)
Signed-off-by: Alexandru DAMIAN <alexandru.damian@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>