Merge pull request #651 from dengemann/remove_artifacts

Remove artifacts
FIX: pandas exporter

--- the failing example revealed that the advocated feature of
adding info-columns not included as index as categorial data
--- fixed it + added tests
ENH+FIX / MISC

slightly refactor ICA examples
fix ICA time-arg comprehension
various doc fixes
Merge pull request #653 from dengemann/fix_docbuild

FIX: pandas exporter
fix mailmap
fix mailmap more
COSMITS
FIX: compute noise cove raw example
Merge pull request #654 from dengemann/fix_docbuild

FIXES: raw cov example +  references
FIX : removing for now the normal option in LCMV (broken)
DOC : formating
Fix what's new
cleanup docstrings
ENH: sex-up ICA epochs example
FIX: revert unintended changes on raw example
COSMITS
COSMITS II
Merge pull request #655 from dengemann/fix_docbuild

FIX what's new + improve ICA section ... merging.
DOC : fixing docstrings...
more docstring clean ups