Update modules to use run_command in module_common.py

This updates apt, apt_repository, command, cron, easy_install, facter,
fireball, git, group, mount, ohai, pip, service, setup, subversion,
supervisorctl, svr4pkg, user, and yum to take advantage of run_command
in module_common.py.

library/subversion

@@ -85,11 +85,7 @@ class Subversion(object):
         if self.password:
             bits.append("--password '%s'" % self.password)
         bits.append(args)
-        cmd = subprocess.Popen(' '.join(bits), shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
-        out, err = cmd.communicate()
-        rc = cmd.returncode
-        if rc != 0:
-            self.module.fail_json(msg=err)
+        rc, out, err = self.module.run_command(' '.join(bits), fail_on_rc_non_zero=True)
         return out.splitlines()
 
     def checkout(self):