fix doc Makefile
Merge pull request #1426 from tklein23/fix_sparse_vector_unit_test

Fixed SGVectorTest: Now comparing vector to clone (was: vector to itself)
pull up common functionality of inference method classes
fix warnings in libshogun examples
Change order of include dirs in unit tests cmake
fix doxygen warning
Merge pull request #1427 from iglesias/develop

Change order of include dirs in unit tests cmake
Fix package finder scripts for Jemalloc and Hoard
when using jemalloc simply bundle it
Unify memory allocation calls accross the library
Merge pull request #1428 from votjakovr/feature/gp_refactoring

Pull up common functionality of inference method classes
Merge pull request #1429 from votjakovr/feature/fix_doxygen_warning

Fix doxygen warning
PCA default initialization for LMNN
Merge pull request #1430 from vigsterkr/develop

Unify memory allocation calls accross the library
Add USE_LOGCACHE and USE_LOGSUMARRAY options to cmake
Try to fix gtest compilation on CYGWIN (issue #1418)
Disable c++11 on CYGWIN
evaluation_cross_validation_regression example requires LAPACK
Merge pull request #1423 from tklein23/duplicate_mutex_init

Removed duplicate mutex initialization.
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