Merge pull request #143 from mnjuhn/dev

Dev
Merge pull request #144 from mnjuhn/dev

Fixing scenario get set id methods to get id of sets based on sub object...
Add methods to work with array sublists in Demand and SplitRatio
Merge pull request #145 from javierhe/dev

Add methods to work with array sublists in Demand and SplitRatio
Bump parent pom version to remove Scala dependencies
Merge branch 'dev' of github.com:calpath/model-objects into dev