Speaker: Removed grove dependency

* Renamed all files from grovespeaker to speaker
    * Replaced all instances of grovespeaker with speaker
    * Updated all CMake files

examples/javascript/grovespeaker.js

@@ -1,41 +0,0 @@
-/*
-* Author: Zion Orent <zorent@ics.com>
-* Copyright (c) 2014 Intel Corporation.
-*
-* Permission is hereby granted, free of charge, to any person obtaining
-* a copy of this software and associated documentation files (the
-* "Software"), to deal in the Software without restriction, including
-* without limitation the rights to use, copy, modify, merge, publish,
-* distribute, sublicense, and/or sell copies of the Software, and to
-* permit persons to whom the Software is furnished to do so, subject to
-* the following conditions:
-*
-* The above copyright notice and this permission notice shall be
-* included in all copies or substantial portions of the Software.
-*
-* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
-* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
-* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
-* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-*/
-
-//Load Grove Speaker module
-var groveSpeaker = require('jsupm_grovespeaker');
-// Instantiate a Grove Speaker on digital pin D2
-var mySpeaker = new groveSpeaker.GroveSpeaker(2);
-
-// Play all 7 of the lowest notes
-mySpeaker.playAll();
-
-// Play a medium C-sharp
-mySpeaker.playSound('c', true, "med");
-
-// Print message when exiting
-process.on('SIGINT', function()
-{
-	console.log("Exiting...");
-	process.exit(0);
-});