Adding new application to Plot data (based on NVD3).

Added new web-application to Plot data using NVD3.
Update DataProber application to use Rickshaw for plotting.

dding new chart widgets to use Rickshaw for plotting instead of NVD3.
Merge topic 'web_data_prober_rickshaw' into next

b1cbce9 Update DataProber application to use Rickshaw for plotting.
8be70c9 Adding new application to Plot data (based on NVD3).