Documentation tracking bug

[starwed]

I noticed several issues in the documentation, thought having a single issue to track this would be a good idea. Includes both errors in the raw docblocks and the parser.

• [x] Crafty.modules should mention that there are issues with the components site. (potomak's comment)
• [x] The SaveData and LoadData events aren't documented in the standard way. (Storage component.)
• [x] Crafty.extend has basically no documentation (core.js)
• [ ] Several of the docblocks in HashMap.js aren't being parsed?
• [x] Crafty.isometric.centerAt missing docs for parameters
• [x] The stuff in math.js apparently was assuming a different docblock style than the rest of the codebase -- there are tons of issues there.
• [x] Color example syntax error.
• [x] Fix "TweenEnd" event argument documentation, as described in forum https://groups.google.com/d/msg/craftyjs/CQrV_STfs84/kaPmsNrrAAAJ
• [x] Add "properties" shorthand (introduced in #1096) to component documentation.

Random thoughts

• We use triple tilde for codeblocks; it might be nicer to use triple backticks like github does? Also, syntax highlighting for codeblocks would make everything look a lot better.