v2.2 better autoEQ

Fixed a few issues:

• sensitivity computations
• spinorama
  • fix contour plots
  • change the computation of rear reflections; WARNING this differ from
• autoEQ
  • fix target again for speakers which are very uneven
  • add some slope correction if LW is too hot
• website
  • added sort by (more parameters)
  • added filter by (more parameters)
  • add hability to show positive and negative SPL curves
• testing
  • added js tests
    Added last speaker measurements