Updates to MetaQTL4 code
Fix for Cell type specificity analysis
Rename cell type specificity analysis to Interaction analysis
Allow to plot interaction effects
Added .intern to snp confine list
Merge pull request #217 from PatrickDeelen/betterLoadingGenotypeIO

Added .intern to snp confine list
Merge molgenis/master
Some software to make interaction plots
Resolves conflicts in MetaQTL4 code
Merge pull request #216 from Bonder-MJ/master

Updated README.md
Merge pull request #218 from harmjanwestra/master

Updates to Interaction analysis and MetaQTL4
Updated the pca step in current normalizer
Merge branch 'master' of https://github.com/molgenis/systemsgenetics