Change default instance reboot type to hard.

Merged r1777 from branches/ganeti/ganeti-1.2

Reviewed-by: imsnah

man/gnt-instance.sgml

@@ -1001,7 +1001,7 @@
           recreates the hypervisor config for the instance and
           starts the instance. A full reboot does the equivalent
           of <command>gnt-instance shutdown &amp;&amp; gnt-instance
-          startup</command>. The default is soft reboot.
+          startup</command>. The default is hard reboot.
         </para>
 
         <para>

scripts/gnt-instance

@@ -1119,7 +1119,7 @@ commands = {
                            default=None, type="string", metavar="<PARAMS>"),
                make_option("-t", "--type", dest="reboot_type",
                            help="Type of reboot: soft/hard/full",
-                           default=constants.INSTANCE_REBOOT_SOFT,
+                           default=constants.INSTANCE_REBOOT_HARD,
                            type="string", metavar="<REBOOT>"),
                make_option("--ignore-secondaries", dest="ignore_secondaries",
                            default=False, action="store_true",