update git ignore
Add plink bed support
Merge pull request #14 from Bonder-MJ/master

Reformatting class merging double matrix datasets
Merge pull request #15 from Bonder-MJ/master

Firebug warnings fixed, removed duplicate code and changed unstable test.
Merge branch 'master' of https://github.com/molgenis/systemsgenetics
Added maven version number to imputation tool
Update impute2 to trityper
Added generic sex getter for samples.
Merge pull request #17 from PatrickDeelen/master

Update genotype reader and imputaton tool