Added HierarchicalMultilabelModel class
add bounding method in factor graph model for submodularity
Use the correct guard (HAVE_EIGEN3 instead of HAVE_EIGEN) in GUIClassifier. This fixes broken test in cmdline static.
Merge pull request #2385 from Jiaolong/graph_cut_mosek

add bounding method in factor graph model for submodularity
Modified HierarchicalMultilabelModel:
    * Changed get_attr_vector -> get_label_vector
    * Minor refactorings in tests and source code
Merge pull request #2436 from iglesias/fix/cmdline_static_classifier_lda_test

Use the correct guard (HAVE_EIGEN3 instead of HAVE_EIGEN)
Merge pull request #2426 from abinashpanda/develop

Added HierarchicalMultilabelModel class
Minor fixes to mmd notebook.
EM base class added
mixture model class structure
Merge pull request #2446 from mazumdarparijat/em

EM base class added
Merge pull request #2442 from mazumdarparijat/kdensity

class structure for mixture model added
updated data to merge of ANPR notebook data
ANPR notebook added
tweaked findcontours
addded a try catch for import cv2
Merge pull request #2384 from kislayabhi/anpr

ANPR notebook added
Added NOCCO dependence measure class