Fix MulticlassLabels doc, returned SGVector needs not be cleaned up
Merge pull request #1288 from iglesias/docfix

Fix MulticlassLabels doc, returned SGVector needs not be cleaned up
Modifications so LMNN can be used from interfaces.
Use static_cast instead of dynamic_cast to save runtime in custom Mahalanobis distance
Merge pull request #1289 from iglesias/feature/lmnn

Feature/lmnn
fixed multi line template declaration error
Merge pull request #1291 from lambday/feature/log_determinant

fixed multi line template declaration error
Quadratic support in HashedDenseFeatures
removed buggy classes from clone-test
fixed two uninitialised memory bugs
Merge pull request #1295 from karlnapf/develop

fixed two uninitialised memory bugs
Merge pull request #1294 from lambday/feature/log_determinant

removed buggy classes from clone-test
Factor Graph
Merge pull request #1224 from hushell/develop

Factor Graph
add posterior approximation mean and covariance for Laplacian inference method
Merge pull request #1293 from votjakovr/feature/gp_refactoring

add posterior approximation mean and covariance for Laplacian inference method
drop default type to hopefully fix compile error
Merge pull request #1292 from van51/feature/quadratic

Quadratic support in HashedDenseFeatures
fix doxygen doc
drop std cmath compile workaround