Regression nb
lars section
refine lars and intro
loss functions added for Gradient Boosting
fixed defects found by Coverity Scan
Loss functions : minor changes and unittests
Merge pull request #2331 from kislayabhi/unittest_old_lda

CLDA unittest added
minor changes in constructor
stochastic gradient boosting added, feature added for automagically choosing problem type in CART
Merge pull request #2316 from mazumdarparijat/gradient

loss functions added for Gradient Boosting
Merge pull request #2327 from mazumdarparijat/gd

stochastic gradient boosting added, feature added for automagically choosing problem type in CART
Merge pull request #2328 from Jiaolong/graph_cut

fixed defects found by Coverity Scan
modular API and API example added
Merge pull request #2334 from mazumdarparijat/gd

modular API and API example added
add krr, examples and math
Fixing LDA_unittest.cc
Reverting changes in data to fix broken build on develop
Merge pull request #2330 from lambday/develop

Reverting changes in data to fix broken build on develop
Update SubsetStack.cpp

remove warning, update license
Merge pull request #2268 from Saurabh7/regressnb

Regression nb