Better error handeling genotype aligner
Handeling of SNP alleles
Merge pull request #125 from harmjanwestra/master

Lots of minor fixes
Minor bugfix in file handeling of normalizer
Version of genotype aligner
SNP allele handeling
Small bugfix in TriTyperToPedAndMapConverter
Merge pull request #126 from PatrickDeelen/master

Minor stuff
Merge branch 'master' of https://github.com/molgenis/systemsgenetics.git
Allow MixupMapper to test only a subset of SNPs for cis-eQTLs
Merge to head