set failonerror to false in ant delete task (clean-remove-created-files-main) to prevent build failure if the src/main/resources directory does not exist
- Implemented the function Java_com_intel_bluetooth_BluetoothStackOSX_retrieveDevicesImpl with support to retrieve PREKNOWN bluetooth devices
- Added dummy implementation for Java_com_intel_bluetooth_BluetoothStackOSX_isRemoteDeviceTrustedImpl and Java_com_intel_bluetooth_BluetoothStackOSX_isRemoteDeviceAuthenticatedImpl to prevent UnstatisfiedLinkErrors