move BLEAdafruit service to its own library due to neopixel/dotstar dependency

Author: hathach

libraries/Bluefruit52Lib/src/services/BLEAdafruitAccel.cpp renamed to libraries/BLEAdafruitService/src/services/BLEAdafruitAccel.cpp

@@ -69,7 +69,7 @@ BLEAdafruitRgbPixel::BLEAdafruitRgbPixel(void)
 
 }
 
-err_t BLEAdafruitRgbPixel::begin (void)
+err_t BLEAdafruitRgbPixel::begin (Adafruit_NeoPixel* neo_pixel)
 {
   // Invoke base class begin()
   VERIFY_STATUS( BLEService::begin() );

libraries/Bluefruit52Lib/src/services/BLEAdafruitAccel.h renamed to libraries/BLEAdafruitService/src/services/BLEAdafruitAccel.h

@@ -151,5 +151,11 @@ void BLEAdafruitSensor::sensor_data_cccd_cb(uint16_t conn_hdl, BLECharacteristic
   {
     svc._timer.stop();
   }
+
+  // send initial notification if period = 0
+//  if ( 0 == svc._period.read32() )
+//  {
+//    svc._measurement.notify();
+//  }
 }