Removed LineInfo.
Refactoring PeakFitting.
Refactoring of PeakFittingViewModelTest.
changed the type of IDatabase.Shells from KeyedCollection to MultiMap.
Make Linear and EnergyToResolutionFunc Equatable.
Deleted unused lines.
Merge branch '20140801_RefactoringPeakFitting' into developement
Fixed some tests.
Removed Matrix.
Deleted Quadratic.
Removed Protgression.
Removed unused extensions.
Removed unused extensions.
Merged Xbrt.Numerical to Xbrt.Core.
StringExtensionTest
Merge branch '20140805_UnitTesting' into developement