Starting work on adding nautical chart service with transparency slider.
.
deleted unused code
Progress made on Nautical Chart issue/slider.
Finish RNC transparency slider.
Adding documention -- used (experimented with) docco, using jsdoc. still not 100% happy with it.
Adding documentation tags.
Merge branch 'nautical-charts' into documentation

Conflicts:
	index.html
	main.js
	visibility.js
Merge pull request #2 from DVAlhadeff/documentation

Documentation
Merge pull request #5 from DVAlhadeff/Nautical-Charts

Nautical charts