Updating the CI tests.

This commit simplifies greatly the CI logic and improves its
maintability. argopkgs/master becomes the single maintained
authoritative soure of content for CI and packaging.
8 jobs for <span class="ref-name">nix-simplify</span> in 16 minutes and 41 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Build
passed #19308
knl
argotk.build

00:02:23

passed #19307
integration
containers.build

00:00:56

passed #19306
integration
libnrm.build

00:00:31

passed #19305
integration
nrm.build

00:04:38

 
  Test
passed #19309
integration
testHello.test

00:04:50

passed #19310
integration
testListen.test

00:01:05

passed #19311
integration
testPerfwrapper.test

00:01:05

passed #19312
knl
testPower.test

00:04:50