New charts

[fmauNeko]

Hello again,
After adding the calendar, I thought "Why not add them all !".

So here it is, I added them all, sorted them alphabetically, and took away the trailing commas :)

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[googlebot]

CLAs look good, thanks!

[fmauNeko]

Apologies, I may have flooded travis a little, rebasing is hard.

[wesalvaro]

So, I forgot to point out in your other PR that you were missing a demo. =
That's been the limiting factor on adding the chart types. You can check out #94 for one issue. It'd be good to have demos to access issues like the one mentioned for the annotation chart.
Potentially, thought, we could use a dom-repeat to create the demos?
What do you think?

[fmauNeko]

I think most of those charts require some specific data sets.
I'll work on some demos as soon as possible !

[wesalvaro]

Sorry! Thanks so much!