Moves location of shared playbook to a better directory, fixes ownership bug

This is a temporary fix (until I think of something better) for https://nexedi.erp5.net/bug_module/20150609-1736CE7
Uses Ansibles shell module to execute chown.

playbook/erp5-standalone.yml

@@ -4,4 +4,4 @@
 
   roles:
     - erp5-standalone
-    - erp5-show
+    - standalone-shared

playbook/roles/slapos-proxy/tasks/main.yml

@@ -21,3 +21,6 @@
   - name: Run slapos format for initial bootstrap
     shell: "slapos node format --now --alter_user=True"
     when: slapos_cfg.stat.exists == False
+
+  - name: Set ownership for /opt/slapgrid
+    shell: "chown slapsoft:slapsoft /opt/slapgrid"

playbook/roles/standalone-shared/tasks/main.yml

+---
+  - name: create erp5-show
+    copy: src=erp5-show dest=/usr/local/bin/erp5-show mode=755
+ 
+  - name: set ownership of /opt/slapgrid (temporary fix
+    shell: chown slapsoft:slapsoft /opt/slapgrid
+

playbook/wendelin-standalone.yml

@@ -4,4 +4,4 @@
 
   roles:
     - wendelin-standalone
-    - erp5-show
+    - standalone-shared