Add gene-id during upload of chromosomal platform: FT-860

Alligned with the upload of a GeneExpression platform.
Merge pull request #15 from thehyve/Add-Gene-id

Add gene-id during upload of chromosomal platform: FT-860
Add clinical data for GSE31773/GSE34466

From: https://github.com/transmart/tranSMART-ETL/tree/master/V1.2_Hackathon/Data
make source_CD field settable
Merge branch 'master' into london_hackathon
Merge branch 'master' of github.com:thehyve/transmart-data into london_hackathon