Feature vcf stats

More functions can be added but this is a first version that is ready to use in the gatk pipeline.

is also fix for #93

See merge request !84

Feature fix mapping

Fix for #108

See merge request !81

Feature fix only sample

Fix for #109

Also added addMultiSampleJobs method.

Not sure but maybe method addPerSampleJobs need a new name but just don't know what.

See merge request !79

Feature chipcap

CArp pipeline can be merged into develop!

See merge request !77

Conflicts:
	public/biopet-public-package/pom.xml
	public/biopet-public-package/src/main/scala/nl/lumc/sasc/biopet/core/BiopetExecutablePublic.scala

Conflicts:
	public/biopet-framework/src/main/scala/nl/lumc/sasc/biopet/core/MultiSampleQScript.scala