Ref #4 Add play WS support and Json combinator
Introduce types for UserID, ItemId and U2IAction
Enforce immutable collections in API
Merge pull request #5 from jeantil/types

Introduce types for UserID, ItemId and U2IAction
Remove oracle jdk6 target

Remove the Oracle jdk6 as it is in EOL and no more supported by travis-CI
Merge pull request #6 from jeantil/immutable_collections

Enforce immutable collections in API
Properly read prediction results
Merge pull request #8 from jeantil/fix_predictionresults

Fix #8 Properly read prediction results
Add jean helou as developer :D
Merge pull request #9 from jeantil/add_dev

Fix #9 Add jean helou as developer