Java v1.10.53532

- Improve YSerialPort, YSpiPort and I2cPort class
- Add support for callbackTemplate and powerFactor
- Fix handling of file uploads to VirtualHub-4web
- Fix get_url() method of YModule object that was not working with GatewayHub
- Fix get_url method of YModule object. Returned URL was missing the last "/"
- Fix get_subDevices() methods of YModule
- Fix a few typos in the doc
