software/slaprunner: run supervisord with explicit slapos.cfg argument

~/bin/slapos script does not overwrite $SLAPOS_CONFIGURATION if it's set,
to prevent service accidentally use another slapos.cfg if $SLAPOS_CONFIGURATION
is set for some reason, explicit pass the path of the slapos.cfg

software/slaprunner/buildout.hash.cfg

@@ -18,7 +18,7 @@ md5sum = 8d6878ff1d2e75010c50a1a2b0c13b24
 
 [template-runner]
 filename = instance-runner.cfg
-md5sum = caebb152b129e2e0270fe7fb5dca4284
+md5sum = 4a3e1ee61f49909fe3fd0843cde1bebe
 
 [template-runner-import-script]
 filename = template/runner-import.sh.jinja2

software/slaprunner/instance-runner.cfg

@@ -20,6 +20,7 @@ common-runner-parts =
   runtestsuite
   shellinabox
   shellinabox-service
+  template-slapuser-script
   slapos-cfg
   slapformat-definition.cfg
   cron-entry-prepare-software
@@ -215,8 +216,7 @@ default_repository_branch = $${slap-parameter:slapos-reference}
 #-- supervisord managing slaprunner instance processes
 [slaprunner-supervisord-wrapper]
 recipe = slapos.cookbook:wrapper
-# XXX hardcoded locations
-command-line = $${template-slapuser-script:rendered} node supervisord -n
+command-line = ${buildout:bin-directory}/slapos node supervisord --cfg=$${slaprunner:slapos.cfg} --nodaemon
 wrapper-path = $${directory:services}/slaprunner-supervisord
 hash-existing-files = $${buildout:directory}/software_release/buildout.cfg