Button: Removed grove dependency

* Renamed all files from groverrotary to rotary
    * Replaced all instances of groverrotary with rotary
    * Updated all CMake files

Signed-off-by: Sisinty Sasmita Patra <sisinty.s.patra@intel.com>

examples/javascript/button.js

@@ -26,7 +26,7 @@
 var groveSensor = require('jsupm_grove');
 
 // Create the button object using GPIO pin 0
-var button = new groveSensor.GroveButton(0);
+var button = new groveSensor.Button(0);
 
 // Read the input and print, waiting one second between readings
 function readButtonValue() {