Merge pull request #861 from christianmbrodbeck/spacing-arg

ENH:  make spacing parameter consistent between functions
FIX : missing coma
FIX : typo in sample.py
FIX : more typos in datasets
missing init
fix for debian (will break pipy)
revert change of manifest
ENH: doc updates no.1
COSMMITS
QT backend
ENH: address discussion
COSMITS
Merge pull request #863 from dengemann/update_tutorial

ENH: doc updates no.1
ENH : add machinery to build manpages
GUI
FIX:  api changes from trans branch
Use Python setup_source_space
cleanup/DOC:  file_traits
TEST:  file_traits
FIX kit2fiff_gui