add symmetricQREigenHelper
add SymmetrixQrAlgorithm
add TridiagonalDecompositionHouseholder
add Tests for TridiagonalDecompositionHouseholder
add SymmetrixQRAlgorithmDecomposition and tests for SymmetricQRAlgorithm
add tests for SymmstricQRAlgorithmDecomposition
bug fix in testSymmetricQRAlgorithmDecomposition
Symmetrix QR Algorithm decomposition works
add EigenResult and IEigenResult
decompose method in SymmetricQRAlgorithmDecomposition returns an eigenResult
add tests for API of Symmetric EigenDecomposition
documentation for Eigen and IEigenResult
Merge pull request #63 from prasant94/symm_eig

Eigen Decomposition of Symmetric matrices