Merge branch 'add-composer'
Merge branch 'add-composer'
Added in an initial version of an ActiveHighStock widget

Inspired by http://www.yiiframework.com/extension/activehighstock,
this widget uses the existing widgets in this repo as a base,
giving us an easier time setting things up and upgrading in the future.
Setup basic handling to not throw errors if there is no data
Refactored the data method
Improved the ActiveHighstock widget to handle area ranges
Merge pull request #6 from acorncom/active-highstock-widget

Added in an ActiveHighStock widget