Rename xm commands and cleanup of the "bogus" argument code.

For the "bogus" argument code, avoid changing the argument list so
that errors can be reported consistently.
Signed-off-by: Dan Smith <danms@us.ibm.com>
Signed-off-by: Christian Limpach <Christian.Limpach@cl.cam.ac.uk>

docs/misc/sedf_scheduler_mini-HOWTO.txt

@@ -10,7 +10,7 @@ Overview:
 Usage:
    -add "sched=sedf" on Xen's boot command-line
    -create domains as usual
-   -use "xm sedf <dom-id> <period> <slice> <latency-hint> <extra> <weight>"
+   -use "xm sched-sedf <dom-id> <period> <slice> <latency-hint> <extra> <weight>"
     Where:
       -period/slice are the normal EDF scheduling parameters in nanosecs
       -latency-hint is the scaled period in case the domain is doing heavy I/O
@@ -22,23 +22,23 @@ Usage:
 
 Examples:
  normal EDF (20ms/5ms):
-  xm sedf <dom-id> 20000000 5000000 0 0 0
+  xm sched-sedf <dom-id> 20000000 5000000 0 0 0
   
  best-effort domains (i.e. non-realtime):
-  xm sedf <dom-id> 20000000 0 0 1 0
+  xm sched-sedf <dom-id> 20000000 0 0 1 0
  
  normal EDF (20ms/5ms) + share of extra-time:
-  xm sedf <dom-id> 20000000 5000000 0 1 0
+  xm sched-sedf <dom-id> 20000000 5000000 0 1 0
   
  4 domains with weights 2:3:4:2
-  xm sedf <d1> 0 0 0 0 2
-  xm sedf <d2> 0 0 0 0 3
-  xm sedf <d3> 0 0 0 0 4
-  xm sedf <d4> 0 0 0 0 2
+  xm sched-sedf <d1> 0 0 0 0 2
+  xm sched-sedf <d2> 0 0 0 0 3
+  xm sched-sedf <d3> 0 0 0 0 4
+  xm sched-sedf <d4> 0 0 0 0 2
   
  1 fully-specified (10ms/3ms) domain, 3 other domains share
  available rest in 2:7:3 ratio:
-  xm sedf <d1> 10000000 3000000 0 0 0
-  xm sedf <d2> 0 0 0 0 2
-  xm sedf <d3> 0 0 0 0 7
-  xm sedf <d4> 0 0 0 0 3
+  xm sched-sedf <d1> 10000000 3000000 0 0 0
+  xm sched-sedf <d2> 0 0 0 0 2
+  xm sched-sedf <d3> 0 0 0 0 7
+  xm sched-sedf <d4> 0 0 0 0 3