PCA default initialization for LMNN
Add TCMalloc support
Set HAVE_LAPACK if only lapack and blas has been found
Disable c++11 mode on cygwin if unit testing is enabled
Merge pull request #1431 from iglesias/feature/lmnn

PCA default initialization for LMNN
Merge pull request #1432 from votjakovr/feature/gp_refactoring

Rename methods for evaluation of predictions in likelihood models
Merge pull request #1434 from votjakovr/feature/gp_refactoring

Fix issue with multiple SGVector/SGMatrix arguments in c# modular