Speaker: Removed grove dependency

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

src/speaker/javaupm_speaker.i

@@ -0,0 +1,19 @@
+%module javaupm_speaker
+%include "../upm.i"
+
+%{
+    #include "speaker.hpp"
+%}
+
+%include "speaker.hpp"
+
+%pragma(java) jniclasscode=%{
+    static {
+        try {
+            System.loadLibrary("javaupm_speaker");
+        } catch (UnsatisfiedLinkError e) {
+            System.err.println("Native code library failed to load. \n" + e);
+            System.exit(1);
+        }
+    }
+%}