FD Set and tests partial
Merge branch 'master' of github.com:calpath/model-objects
FD updates and conformity to xsd
Updating Geometry class to convert rectangles to polygon, and extra exception handling.
Merge pull request #57 from mnjuhn/master

Geometry class updated, extra exception handling features
Merge pull request #56 from javierhe/master

LinkState, LinkStateDebug and LinkStateDetail MO
Added FDType and modified FDSet to return a profile based on link id as well
Adding modstamp and id to link road names
Merge pull request #59 from mnjuhn/master

Link road names schema
Merge pull request #58 from sean-morris/master

FundamentalDiagramSet
LinkState fixes w/ density and QuantityType