Examples in CurieBLE reference pages don't use the function being documented

[per1234]

The examples included in the following pages don't use the thing being documented:

• https://www.arduino.cc/en/Reference/BLEPeripheralPoll
• https://www.arduino.cc/en/Reference/BLEPeripheralEnd
  • This was previously reported in [DOC] CurieBLE BLEPeripheral end() reference page issues Arduino#5375 along with some other issues found on that page.
• https://www.arduino.cc/en/Reference/BLEPeripheralSetDeviceName
• https://www.arduino.cc/en/Reference/BLEPeripheralSetAppearance
• https://www.arduino.cc/en/Reference/BLEPeripheralDisconnect
• https://www.arduino.cc/en/Reference/BLEDescriptorConstructor
• https://www.arduino.cc/en/Reference/BLECentralDisconnect
• https://www.arduino.cc/en/Reference/BLECentralPoll
• https://www.arduino.cc/en/Reference/BLECharacteristicConstructor

Originally reported at http://forum.arduino.cc/index.php?topic=482789