Port Annotated timeline to pure javascript.

[orwant]

What would you like to see us add to this API?

The annotated timeline is easily one of the best charts for time series data as it
already builds in the navigation through the data series, and does it in an elegant
manner.  It's also one of the only (if not the only) chart that relies on Flash.

The IPad is becoming an increasingly important platform to deliver mobile content.
 It will never support flash, and flash in general is on the way out in the web.  Adobe
has even dropped support for new versions of Flash for Linux, indicating even Adobe
acknowledges that Flash is soon to be a legacy platform.

Since the visualisation library is largely based on javascript code, it seems a natural
idea that this chart should be re-written in javascript with any dependencies on flash
removed.  

I haven't gone through every other chart, but this is the only one I've found so far
that's flash based, and not javascript based.  If there are others, the same request
would apply to them.

What component is this issue related to (PieChart, LineChart, DataTable,
Query, etc)?

Annotated Timeline.

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Original issue reported on code.google.com by steve@sether.org on 2012-05-18 17:28:09

[orwant]

bump. google data viz are awesome tools - but the flash based timeline directly contradicts
the statement on https://developers.google.com/chart/ which states: 

"Charts are rendered using HTML5/SVG technology to provide cross-browser compatibility
(including VML for older IE versions) and cross platform portability to iPhones, iPads
and Android. No plugins are needed."

Original issue reported on code.google.com by c2billp on 2012-07-16 20:44:34

[orwant]

I agree this chart is one of the best and would like to see Flash go by by!

Original issue reported on code.google.com by mkrupnic on 2013-02-21 15:33:49