timestep load data interface
Merge branch 'master' of https://github.com/EECS398Team10/PowerDistributionSystem.git

Conflicts:
	Documents/Research/CIM_Based_Model/DistributionSystemModel/IDataSource.cs
remove extra whitespace
you should use Math.PI
datasource semi-complete implementation

todo: filter? where is it used?
build connection string
database create script (you can import this into mwb)
Merge branch 'master' of https://github.com/EECS398Team10/PowerDistributionSystem.git