fix: add *.lay files
Merge pull request #880 from mluessi/fix_add_lay

FIX: add *.lay files to setup.py
FIX: eplained variance ICA
ENH: Run Travis after install
move env var
env one line
Merge pull request #881 from mluessi/enh_test_after_install

ENH: Run Travis after install
FIX: coil type for reference channel
Merge pull request #883 from t3on/tb-KIT-fix

FIX: coil type for reference channel
FIX: Fix KIT forward solution calculation
FIX: Fix tests
FIX: Fix tests
FIX: Fix silly copy
ENH: Clearer error and explanation
Merge pull request #882 from Eric89GXL/fwd-kit-fix

FIX: Fix KIT forward solution calculation