title: Android GraphView plot only points on graph and change X axis position
body: <p>I'm trying to create a graph on android using the android graphview library.</p>
  
  <p>1)I need to plot points on the graph (Currently, the options are LineGraph and BarGraph) however i wish to only plot the points without drawing a line.</p>
  
  <p>2) Change the positioning of the X axis and it's labels(such that it shows on the top and not the bottom). </p>
  
  <p>I'm looking through the API but cannot find a way to do these things. Would really appreciate if anyone could help out!</p>