Use absolute import to avoid compiler issues
Enhancement: Update some maven plugin versions and remove draft compile
Enhancement: Table can be sorted and chart can be filtered by country

The table with phenotypes and alleles can now be sorted by phentoype value
 and allele.
 In the chart view both Candlestick chart as well as the strip chart can be
  filtered by country. This closes #63 and #62
Merge branch 'snp_view_enhancement'