Printing sample and allele info

Playing around with printing of allele and sample info. Works great.
Merge pull request #321 from Bonder-MJ/master

Updates
Merge branch 'master' of https://github.com/molgenis/systemsgenetics
First calculator ready: counts risk alleles
Merge pull request #322 from rudi2013/master

First calculator ready: count risk alleles
Added force normal distribution to normalize
Merge pull request #323 from PatrickDeelen/master

MACH R2 stuff and Force normal dist procedure
Merge branch 'master' of https://github.com/molgenis/systemsgenetics