Remove a bunch of ifdef code and fix up proper configure check for
libedit.

Fixes #1277

these now live in VMOD.directors (and can be stacked :-)

Fixes #1273

will need.

builtin define for it.

From:	"Federico G. Schwindt" <fgsch@lodoss.net>

it is no longer a demo, it is going to replace the "built-in" rr
director.

Other directors will follow as time permits.

add a test-case where it is used in stackable fashion.

I should have done it this way from the very start, rather than
muck about with director configurations in VCC...

created.

Split the demo-rr director into its own file

to eliminate any chance of collissions.

Check the ABI.  This check may be too strong, but at least its safe.

that purpose.

Add a delay after setting parameters to allow acceptor thread to pick them up.

Add a delay in c1 after receiving result to allow time for any fail causing
fetches from s2

never be reached.

Split out the param settings, so we can see the previous values.