ENH: Allow nosetests without sample dataset
FIX: Fix warning during tests (LCMV)
ENH: Add "make test-no-sample" command
STY: Rename avoid_download
Merge pull request #839 from Eric89GXL/deb-pack

ENH: Allow nosetests without sample dataset
FIX: Update whats_new with debian compatibility
FIX: Fix packaging of forward