software/theia: Add supervisorctl wrapper theiactl

Let the user easily manage services specific to theia such as:
```
$ theiactl stop slapos-node-auto
slapos-node-auto: stopped
```

software/theia/software.cfg

@@ -23,6 +23,7 @@ extends =
    ./buildout.hash.cfg
 
 parts =
+  theiactl
   theia-wrapper
   slapos-cookbook
   python-with-eggs
@@ -354,6 +355,13 @@ install +=
 [cli-utilities]
 PATH = ${nodejs:location}/bin:${bash:location}/bin:${fish-shell:location}/bin:${tig:location}/bin:${vim:location}/bin:${tmux:location}/bin:${git:location}/bin:${curl:location}/bin:${python2.7:location}/bin:${buildout:bin-directory}
 
+[theiactl]
+recipe = slapos.recipe.template:jinja2
+rendered = ${buildout:bin-directory}/${:_buildout_section_name_}
+template =
+  inline:
+  #!/bin/sh
+  ${buildout:bin-directory}/supervisorctl -c $HOME/srv/runner/etc/supervisord.conf "$@"
 
 [theia-wrapper]
 recipe = slapos.recipe.template:jinja2