flarmcfg: Added basic Writer class
flarmcfg: Added write_pilot() method
flarmcfg: Added write_glider_type() method
flarmcfg: Added write_glider_id() method
flarmcfg: Added write_competition_id() method
flarmcfg: Added write_competition_class() method
flarmcfg: Added write_logger_interval() method
flarmcfg: Added write_copilot() method
flarmcfg: Added write_task_declaration() method
flarmcfg: Added write_waypoint() method
flarmcfg: Added write_waypoints() method
Merge pull request #6 from Turbo87/flarmcfg

Flarm configuration file writer