Merging feature/commonsallayout branch

[Khaled Hosny]

On Mon, Oct 17, 2016 at 09:30:14PM +0200, Khaled Hosny wrote:
> Currently the new layout is off by default and can be enabled at runtime
> by setting SAL_USE_COMMON_LAYOUT env variable. After merging with
> master, I’m going to wait a week or so for any potential build issues
> then swap the default.

The new layout engine is the default now and can be disabled at runtime
by setting SAL_NO_COMMON_LAYOUT (notice the NO) env variable.
 
Regards,
Khaled