FIX: fixing n_jobs arg + adding exception
ENH : new check_n_jobs functions and protect multiprocessing import
Merge pull request #4 from agramfort/fix_njobs_clu

ENH : new check_n_jobs functions and protect multiprocessing import

yep, good point. thanks!
FIX: restoring intended behavior --

njobs were just added to ncpu, also when positive
ENH: Allow "cuda" if requested
ENH: Allow n_jobs="cuda"
Merge pull request #5 from Eric89GXL/fix_njobs_clu

ENH: Allow "cuda" if requested
FIX: once more only considering n_jobs < 0
Merge pull request #447 from dengemann/fix_njobs_clu

FIX: fixing n_jobs arg + adding exception in spatio-temporal clustering