Fix for probe_id gene signatues.
Revert "Fix for probe_id gene signatues."

This reverts commit 4c96fdc8efdee1ff652c62b35c09bd51948bb3c0.
Fix for probe_ids gene signatures.
Merge pull request #92 from ranchobiosciences/master

Fix gene signatures with probe ids
Restored README.md from e85242dd0a7cc733e4bd08207e0d031b1480e2d4 - latest version that I could find. Dated Mar 22, 2014.
Prevent NPE.

Do not convert to primitive type.
Merge branch 'master' of github.com:transmart/transmartApp
Fix NullPointerException when saving gene sig
Fix createdByAuthUser not being saved for gene sig
Merge remote-tracking branch 'transmart/master' into new-neptune-v1.2.1-master