deleted bug when all simulated sources are located in only one hemisphere
FIX : bug in cluster stats (issue 584)
FIX : add cluster stats test
TEST: cluster stats test
CLN: white space cleaned
FIX: hard code data for consistent tests
COSMITS
ENH: use array literal
Merge pull request #593 from dengemann/fix_anova_test

FIX: hard code data for consistent anova tests
WIP: complete drop log
COSMITS
ENH: add tests, fix bug
ENH/STY: simplify drop_log add on
Merge pull request #594 from dengemann/improve_droplog

ENH: Improve epochs drop_log
TST: reduce cluster test time
Merge pull request #583 from joewalter/bug_in_simulator

deleted bug when all simulated sources are located in only one hemisphere
FIX: Fix M/EEG forward solution
ENH: Test execusion speed
ENH: refactor drop log private function to fix bug
COSMITS