data esGolub: Fix error due to Biobase unavailable in example
runit.parallel: Add more verbosity and load foreach package
Fix message when loading due to undefined S4 classes for doParallel sub-backends MC and SNOW
Fix error in unit test for Matlab version of brunet: tests are now run with limited number of iterations => force using default maximum number of iterations in classic brunet
Bump versino to 0.20.3
Merge branch 'hotfix/0.20.3' into devel