A large set of changes to sources and documentation
+ Experimental support for proxy servers
+ Changes to HVAC UI
+ Fixed bugs in Scheduler
+ Try to wake car if need be when running scheduled command
+ Made preferences more dynamic, cleaned up the code (phase 1)
+ Added "None" as a new option for the amount of data to load at
  graph startup time
+ Added support for experimental versions in the auto-update mechanism
+ Added an animated loading screen to the Location tab
+ Added a "wake on tab change" option
+ Allow user to set the idle threshold
+ More code cleanup