added generic stop grammar and told gpsr to use it

psConfig/tasks/gpsr/gpsr.conf

@@ -33,7 +33,7 @@ autoload=yes;
 [pocketsphinxinstance]
 name=stop;
 dict=../../../psGrammar/dictionary/tobiDic.dic;
-jsgf=../../../psGrammar/tasks/gpsr/stop.jsgf;
+jsgf=../../../psGrammar/confirm/stop.jsgf;
 rsbscope=/speechrec/psa/stop;
 bestpath=no;
 autoload=yes;

psGrammar/confirm/stop.jsgf

+#JSGF V1.0;
+grammar Stop_commands;
+
+public <statement> = [<robot>] [please] <stop> [please] [<robot>];
+
+<robot> = (tobi | robot | biron | pepper);
+
+<stop> = (((stop [following [me]]) | wait) [here]);