doc: Rename OS config example.

* gnu/system/os-config.tmpl: Rename to...
* gnu/system/examples/bare-bones.tmpl: ... this.
* Makefile.am (EXAMPLES): Adjust accordingly.
* doc.am (doc/os-config.texi): Likewise.
* gnu/system/install.scm (configuration-template-service)[template]:
  Likewise.

Makefile.am

@@ -135,7 +135,7 @@ KCONFIGS =					\
 
 # Templates, examples.
 EXAMPLES =					\
-  gnu/system/os-config.tmpl
+  gnu/system/examples/bare-bones.tmpl
 
 GOBJECTS = $(MODULES:%.scm=%.go) guix/config.go guix/tests.go
 

doc.am

@@ -1,5 +1,5 @@
 # GNU Guix --- Functional package management for GNU
-# Copyright © 2012, 2013, 2014 Ludovic Courtès <ludo@gnu.org>
+# Copyright © 2012, 2013, 2014, 2015 Ludovic Courtès <ludo@gnu.org>
 # Copyright © 2013 Andreas Enge <andreas@enge.fr>
 #
 # This file is part of GNU Guix.
@@ -30,7 +30,7 @@ BUILT_SOURCES        += doc/os-config.texi
 EXTRA_DIST           += doc/os-config.texi
 MAINTAINERCLEANFILES  = doc/os-config.texi
 
-doc/os-config.texi: gnu/system/os-config.tmpl
+doc/os-config.texi: gnu/system/examples/bare-bones.tmpl
 	$(MKDIR_P) "`dirname "$@"`"
 	cp "$<" "$@"
 

gnu/system/install.scm

@@ -175,7 +175,7 @@ configuration template file in the installation system."
   (define local-template
     "/etc/configuration-template.scm")
   (define template
-    (search-path %load-path "gnu/system/os-config.tmpl"))
+    (search-path %load-path "gnu/system/examples/bare-bones.tmpl"))
 
   (mlet %store-monad ((template (interned-file template)))
     (return (service