Merge branch 'master' of github.com:ufz/ogs

GeoLib/TemplateVec.h

GeoLib/Triangle.cpp

GeoLib/Triangle.h

MathLib/AnalyticalGeometry.cpp

MathLib/AnalyticalGeometry.h

MathLib/EarClippingTriangulation.cpp

MathLib/EarClippingTriangulation.h

...Lib/InterpolationAlgorithms/LinearIntervalInterpolation.h

.../InterpolationAlgorithms/PiecewiseLinearInterpolation.cpp

...ib/InterpolationAlgorithms/PiecewiseLinearInterpolation.h

MathLib/LinAlg/Dense/Matrix.h

MathLib/LinAlg/MatrixBase.h

MathLib/LinAlg/Preconditioner/generateDiagPrecond.cpp

MathLib/LinAlg/Preconditioner/generateDiagPrecond.h

MathLib/LinAlg/Solvers/BiCGStab.cpp

MathLib/LinAlg/Solvers/BiCGStab.h

MathLib/LinAlg/Solvers/CG.cpp

MathLib/LinAlg/Solvers/CG.h

MathLib/LinAlg/Solvers/CGParallel.cpp

MathLib/LinAlg/Solvers/DenseDirectLinearSolver.h