Implemented functionality for reading configuration parameters from SD
card in Arduino MEGA board

Jira issue: WP-595
Add iot port in WEBINOS_ROOT/webinos_config.json file

Jira issue: WP-595
First stage of Arduino-HTTP driver implementation for actuators

Jira issue: WP-595
Add license and fixed indentation in sensors_actuars_driver for Arduino
UNO.
Set pin 13 as output in sensors_actuators_driver for Arduino MEGA

Jira issue: WP-595
Fixed bug in configureSensor. Fixed bug in sensor ID assignment.

Jira issue: WP-595