Added comment about minimum tag.
Small improvements + TODO.
Support highlighting and multiple series in navigator.
Renamed activeStreams to streams.
More on streams variable.
Renamed plot to chart to match Highstock terminology.
Missed plot occurrences.
Use more Underscore instead jQuery.
Refactored code to use objects and multiple charts.
Request only wanted downsamplers.
Update max known range.
Don't do unnecessary requests.