Added a new TTS program, using google translate's unofficial API

git-svn-id: https://roboticssrv.wtb.tue.nl/svn/ros/code/tue-ros-pkg/trunk/tue_human_machine_interfacing/text_to_speech_google@11117 3a3c2cfb-d3b9-409e-9e75-db8fcdbcaac6
Fixed thr TTS return delay. A call to the TTS service previously took long to return because mpg123 wouln't exit immediately. the google-tts now uses gstreamer, which does exit immediately

git-svn-id: https://roboticssrv.wtb.tue.nl/svn/ros/code/tue-ros-pkg/trunk/tue_human_machine_interfacing/text_to_speech_google@11118 3a3c2cfb-d3b9-409e-9e75-db8fcdbcaac6
Finalized google_TTS with fallback to festival based on ping-results

git-svn-id: https://roboticssrv.wtb.tue.nl/svn/ros/code/tue-ros-pkg/trunk/tue_human_machine_interfacing/text_to_speech_google@12281 3a3c2cfb-d3b9-409e-9e75-db8fcdbcaac6
Renaming topics to /text_to_speech/input

git-svn-id: https://roboticssrv.wtb.tue.nl/svn/ros/code/tue-ros-pkg/trunk/tue_human_machine_interfacing/text_to_speech_google@16327 3a3c2cfb-d3b9-409e-9e75-db8fcdbcaac6
Now uses new text_to_speech service

git-svn-id: https://roboticssrv.wtb.tue.nl/svn/ros/code/tue-ros-pkg/trunk/tue_human_machine_interfacing/text_to_speech_google@16339 3a3c2cfb-d3b9-409e-9e75-db8fcdbcaac6
Merge branch 'master' of https://github.com/tue-robotics-lab/text_to_speech_google