EasyModbusClientExample: Add Slave ID field in TCP mode, plus displaying values in multiple formats

[natevoci]

trafficstars

• Show and use Slave ID field in ModbusTCP mode
• Replaced lsbAnswerFromServer list box with a text box to make it easy to cut and paste into excel. Also, includes HEX, int16, uint16, and float interpretations of the values.
• Renamed some form components to have descriptive names

[natevoci]

In case it's useful, this is how the changes look