Merge pull request #8 from geerlingguy/5-reboot-module

Fixes #5: Use Ansible's reboot module instead of reboot command.

roles/raspbian/tasks/main.yml

@@ -17,8 +17,7 @@
   register: boot_cmdline
 
 - name: Rebooting on Raspbian 
-  shell: reboot now
-  ignore_errors: true
+  reboot:
   when: ( boot_cmdline is changed )
           and
         ( ansible_facts.architecture is search("arm") )