Merge branch 'feature-snp_test' into 'develop'

biopet-aggregate/pom.xml

.../nl/lumc/sasc/biopet/core/BiopetCommandLineFunction.scala

...c/main/scala/nl/lumc/sasc/biopet/extensions/Snptest.scala

...ala/nl/lumc/sasc/biopet/extensions/gatk/CatVariants.scala

.../nl/lumc/sasc/biopet/extensions/gatk/SelectVariants.scala

public/biopet-public-package/pom.xml

...in/scala/nl/lumc/sasc/biopet/BiopetExecutablePublic.scala

...cala/nl/lumc/sasc/biopet/extensions/tools/GensToVcf.scala

...a/nl/lumc/sasc/biopet/extensions/tools/SnptestToVcf.scala

.../src/main/scala/nl/lumc/sasc/biopet/tools/GensToVcf.scala

...c/main/scala/nl/lumc/sasc/biopet/tools/SnptestToVcf.scala

public/biopet-tools/src/test/resources/gens.samples

public/biopet-tools/src/test/resources/test.empty.snptest

public/biopet-tools/src/test/resources/test.gens

public/biopet-tools/src/test/resources/test.gens_info

public/biopet-tools/src/test/resources/test.snptest

.../test/scala/nl/lumc/sasc/biopet/tools/GensToVcfTest.scala

...st/scala/nl/lumc/sasc/biopet/tools/SnptestToVcfTest.scala

public/gwas-test/pom.xml

...ala/nl/lumc/sasc/biopet/pipelines/gwastest/GwasTest.scala