i started to implement the Add Biorhythm button.
i modified the positon where the colorpicker is displayed.
i merged the colorpicker from v1 branch
i fixed some small bugs regarding the integration of the colorpicker.
i created read-only properties lu.bioCalc.version and
lu.bioControls.version.
i added missing images and css files for the colorpicker.
i changed the mouse cursor style for different elements of the page.
i fixed some warnings.