Added a D3 plot and started working on wiring it to the temp sensor.
Added incremental updates of the client data.
Removed comment to allow deployment to RPi.
Availability test for Temperature sensor. Cosmetic improvements.
Improved plotting.
Improved plot.
Corrected Gruntfile.
Improving temperature axis scaling.
Fixed buttons.
Merge branch 'temp-plot'

* temp-plot:
  Fixed buttons.
  Improving temperature axis scaling.
  Corrected Gruntfile.
  Improved plot.
  Improved plotting.
  Availability test for Temperature sensor. Cosmetic improvements.
  Removed comment to allow deployment to RPi.
  Added incremental updates of the client data.
  Added a D3 plot and started working on wiring it to the temp sensor.