Added voting control
MCA: Implemented new user weights, update look-and-feel.
MCA: Updated the plot and calculations.
MCA: Added feature position, using std

Instead of just relying on max/min to automatically compute a PLA, I use
the avg +- 2*std to get a better approximation of the useful range.
MCA: Updated user interaction, added new color (red/blue)
MCA Added attribute based access control

Show and hide bar charts, access mode, added tooltips, modified the new
mca wizard.
MCA: working on financial data.
MCA Fixed the scale computation.
MCA Filtering out-of-range values.
LayersDirective: decreased margin so the chevron is fully visible.
MCA Updated plot functionality.
Reduced the default tooltip radius to 4px.
MCA Dealing with small issues in order to display the MCA data.
MCA fixed chevron