Ready for deply testing.
Fixed errors from incorrect sample rate.
Only display 5 Hz in FFT graphs. Fixed not resetting bottom scale values.
Fixed Lissajous diagram ranging.
Changed hard coded frequency to be calced from period.
Fixed mimic for 2DOF.
Added FFT export button.
Changed 2DOF cookie prefix to prevent collision with 3DOF.
Fixed button resizing.
Small fixes to the Shaker model.
Reduced data shown in Lissajous diagrams.:
Changed scatter plot pruning to not modify raw data arrays.
Merge branch 'webui' of https://github.com/mdiponio/sahara-labs-web-interface into webui