* The legend items now have more descriptive names and also include the
  strand balance line.
* Added 5% to the X axis scale, to reassure people that they are really
  seeing the entire bar.
* The X axis scale limits are now rounded to a 'nice' number and
  includes a label for its ending tick mark.
* Added filter for a minimum number of reads per orientation.
* Strand bias line now becomes red if less than a certain percentage
  (default 25) of reads is on one strand, and a star is placed at the
  end of the allele's bar.
* Alleles can be selected (and deselectd) by clicking them (HTML only).
  * Selected alleles appear with a green italic allele name.
  * Data for selected alleles is summarised in a table at the bottom of
    the page. This is WIP and currently only includes the read total.