Added the function to change pin's icon according to power generation
value. The more energy it generates, the yellower the pin is.
deleted a debug function that I forgot to delete while cleaning up.
Added comments.
Add the icons for pins
Merge remote-tracking branch 'origin/master' into multiplePinIcons

Conflicts:
	PowerPlanner/war/Scripts/marker_helper.js
Merge pull request #80 from prashantchhabra89/multiplePinIcons

Multiple pin icons