Merge pull request #21 from thehyve/issues/study-name-is-wrong

Rename name field to id one in Study
Unmark clinical data API as experimental
Merge transmart/master into thehyve/master
pom.xml: non-functional change
Merge thehyve/cross-trial into thehyve/master
Merge pull request #4 from thehyve/master

Changes from thehyve: docs, unmark clinical data API as experimental