Added some code to gn.py mostly based on the es.py module.

src/speech/gn.py

@@ -0,0 +1,20 @@
+#!/usr/bin/python
+
+# Generic speech driver
+
+class speech():
+    def __init__(self, ):
+        self.gn = None
+        self.isInitialized = False
+#        try:
+
+
+    def speak(self,text, queueable=True):
+        if queueable == False: self.stop()
+        self.gn.synth(text)
+
+    def stop(self):
+        self.gn.cancel()
+
+    def clear_buffer(self):
+        pass