update naming of css to benchmark related terms
added brush x and y axis with basic controll
fix layout to not have the slider overlap the main x axis
completed sample of brush and zoom
tidy up ,remove unused functions
restored to working order
display line on bursh
fixed brush to display all charted lines
another stable progress to store
change brush to be opacity to display selected area and the lines in the background
mangaed to update x axis when zoom applied
merge master change to local repo