Fixed minimal version of Eigen3 that supports sparse matrices
added sample_from_gaussian for dense matrices
Merge branch 'test' into feature/sample_gaussian_dense
Merge branch 'feature/sample_gaussian_dense' into develop
removed new, produces memory leak
removed new, produces memory leak
fixed memory leak in sample_from_gaussian
added descriptive doxygen comments for sample_from_gaussian
added precision_matrix in sample_from_gaussian
added a different test case for precision_matrix
modified the unit test for sample_from_gaussian
fixed precision_matrix case in sample_from_gaussian
Fixed recomputing of Cholesky factor in ExactInferenceMethod class
Merge pull request #972 from votjakovr/develop

Fixed recomputing of Cholesky factor in ExactInferenceMethod class
Rename HMSVMLabels to SequenceLabels.
Because these labels can be used in other StructuredModels apart
from the HMSVMModel.
memory leak detected in previous unit-test
memory leak detected in previous unit-test
Merge pull request #971 from lambday/develop

sampling Gaussian with dense covariance matrix
Merge pull request #973 from iglesias/develop

Rename HMSVMLabels to SequenceLabels.
fixed memory leak in Statistics.log_det_test_3 unit-test