Add grammars and configs for speechrec

psConfig/exercise/cstollen/cstollen.conf

+[main]
+startdb=30;
+uttdb=35;
+silence=400;
+timeout=8;
+openDeviceDirectly=yes;
+
+[pocketsphinxinstance]
+name=goto;
+jsgf=../../../psGrammar/exercise/cstollen/goto.jsgf;
+rsbscope=/speechrec/psa/goto;
+bestpath=no;
+autoload=yes;
+
+[pocketsphinxinstance]
+name=telljoke;
+jsgf=../../../psGrammar/exercise/cstollen/telljoke.jsgf;
+rsbscope=/speechrec/psa/telljoke;
+bestpath=no;
+autoload=yes;
+
+[pocketsphinxinstance]
+name=confirm;
+jsgf=../../../psGrammar/exercise/cstollen/confirm.jsgf;
+rsbscope=/speechrec/psa/confirm;
+bestpath=no;
+autoload=yes;
+
+[pocketsphinxinstance]
+name=calculator;
+jsgf=../../../psGrammar/exercise/cstollen/calculator.jsgf;
+rsbscope=/speechrec/psa/calculator;
+bestpath=no;
+autoload=yes;

psGrammar/exercise/cstollen/calculator.jsgf

+#JSGF V1.0;
+grammar calculator;
+public <calcstring> = <robot> calculate <number> (plus | minus) <number>;
+
+<number> = (one | two | three | four | five | six | seven | eight | nine | zero);
+
+<robot> = (floka | meka | robot | tobi);

psGrammar/exercise/cstollen/confirm.jsgf

+#JSGF V1.0;
+grammar jUP_confirm;
+public <confirm> = (<confirm_yes> | <confirm_no>);
+
+<confirm_yes> = <yes_words>;
+<confirm_no> = <no_words>; 
+
+<yes_words> = (yes | confirm | confirmed | right | correct);
+<no_words> = (no | nope | wrong | incorrect);

psGrammar/exercise/cstollen/confirm_drivetodoor.jsgf

+#JSGF V1.0;
+grammar jUP_confirm;
+public <confirm> = [<robot>] [(that is [a]) | (you got that)] (<confirm_yes> | <confirm_no>) [<robot>];
+
+<confirm_yes> = <yes_words>;
+<confirm_no> = <no_words>; 
+
+<yes_words> = (yes | confirmed | right | correct);
+<no_words> = (no | nope | wrong | incorrect);
+<robot> = (floka | meka | robot);

psGrammar/exercise/cstollen/goto.jsgf

+#JSGF V1.0;
+grammar ToBI_commands;
+public <statement> = <robot> go to the door;
+
+<robot> = (tobi | tiago);

psGrammar/exercise/cstollen/telljoke.jsgf

+#JSGF V1.0;
+grammar ToBI_commands;
+public <statement> = tobi tell me a joke;
+

psGrammar/exercise/cstollen/thanks.jsgf

+#JSGF V1.0;
+grammar jUP_thanks;
+public <statement> = [<robot>] (thanks | (thank you [for (the | my) <drink>])) [[(that is) | how] [very] (nice | sweet) [of you]] [<robot>];
+
+<drink> = (fanta | coke | milk | (orange juice) | water);
+<robot> = (floka | meka | robot);