Added first pass of trends view.
Removed unused var
Added multiple trends
Sped of querying of data for api and made default json format more compact
Updated dependencies
Adjusted range of yaxis in trends chart
Fixed reversal of min/max for yaxis
Added menu entry to trends page
Added frequency query to api and add frequency charts to trends
Added routes for new controller methods
Fixed id names for frequency chart elements.
Changed layout of charts to get them more compact
Removed daily trends for now since js chart doesnt handle it well
Changed rances of yaxis to show waveform better
Added 6 hour trends
Fixed name of new chart
Adjusted number of ticks on axis
Increase voltage range
Format xaxis as time data
Fixed missing comma