Fix deallocation of arrayN1 and arrayN2 in HMM when USE_HMMPARALLEL_STRUCTURES is enabled
issue #1625
Fix previously introduced double free in ProbingSampler_unittest.cc
write some intro about binary classification / svms
fix various warnings
fix further warnings
fix further warnings and newly introduced error
Merge pull request #1702 from iglesias/develop

Redesign of the figures in the neighbourhood section of the LMNN notebook
Fix silly mistake in LMNN notebook
Set max_iter before training, not after...