gTTS version bump (#454)

* upgrading gTTS

	- using play_mp3 to play mp3 files

Conflicts:
	mycroft/tts/google_tts.py

* Update gTTS version

* default to 'us-en' if lang is omitted

* Fix multiple sentence speech.

Wait until audio has been played before exiting `GoogleTTS.execute()`

mycroft/tts/__init__.py

@@ -39,7 +39,7 @@ class TTS(object):
 
     def __init__(self, lang, voice, validator):
         super(TTS, self).__init__()
-        self.lang = lang
+        self.lang = lang or 'en-us'
         self.voice = voice
         self.filename = '/tmp/tts.wav'
         self.validator = validator

mycroft/tts/google_tts.py

@@ -19,7 +19,7 @@
 from gtts import gTTS
 
 from mycroft.tts import TTS, TTSValidator
-from mycroft.util import play_wav
+from mycroft.util import play_mp3
 
 __author__ = 'jdorleans'
 
@@ -31,7 +31,8 @@ class GoogleTTS(TTS):
     def execute(self, sentence):
         tts = gTTS(sentence, self.lang)
         tts.save(self.filename)
-        play_wav(self.filename).communicate()
+        p = play_mp3(self.filename)
+        p.communicate()  # Wait for termination
 
 
 class GoogleTTSValidator(TTSValidator):

requirements.txt

@@ -6,7 +6,8 @@ requests==2.8.1
 pyOpenSSL==16.0.0
 ndg-httpsclient==0.4.0
 pyasn1==0.1.9
-gTTS==1.0.7
+gTTS==1.1.7
+gTTS-token==1.1.1
 backports.ssl-match-hostname==3.4.0.2
 certifi==2016.2.28
 PyAudio==0.2.8