Creating a model object for Demand
Changing Demand Set and Profile to match the SplitRatio design
Changed crudFlag to attribute node in schemas
Added network id to split ratio
SplitRatio-related tests
FundamentalDiagramProfile getters and setters fix for list
Implemented the standard enum CRUDFlag instead of a string
Merge pull request #73 from javierhe/master

InitialDensitySet MO fixes
Merge branch 'master' of https://github.com/calpath/model-objects
Fix calculate network bounding box function and FD unit test.
Merge pull request #75 from mnjuhn/master

merge in gunes's changes and network bounding box fix
Merge branch 'master' of github.com:calpath/model-objects
removed CrudFlag on SplitRatioSet
Making the demand model objects compliant with the Model Object Checklist
Made SplitRatio and SplitRatio profile Comparable so I could sort them by id during testing
Changing Route in network schema
Merge branch 'master' of github.com:sean-morris/model-objects
Merge pull request #69 from sean-morris/master

Testing related to SplitRatio-related classes
Changing some comments
Merge pull request #76 from mnjuhn/master

Correcting comments and adding CRUDFlag to Route Schema