removed sample test
Added Equals method to StandardModel
Added FromModel Test
Changed FromModel test to use StandardModel's Equals method in assertion
Changed SolverTest test names
Added equality method to solution for testing
Added ImpossibleModel to Model generator
Added Impossible Model to StandardModel generator
Separated Model Testing from Models in SolveTest
Added SolutionGenerator
Added UnboundedModel to ModelGenerator
Added UnboundedModel to StandardModelGenerator
Added SolveUnboundedModelTest to SolverTest
Merge pull request #8 from rickyrombo/solver_tests

Solver tests