Add title to plot_evoked_topomap
ENH:  option to add reference channel
STY  _get_eeg_info():  predetermine property list length/use array
fix title positioning

fix title positioning 2

revert testing
FIX: Add spatio_temporal_cluster_test
FIX: Add failing test
Merge pull request #1048 from dengemann/topomap_title

FIX/ENH: topomap title
MAINT: osx backend
MAINT: osx backend
revert undesired changes
prune dbg
STY
Update README.rst
fix plot raw sizing
Merge pull request #1052 from dengemann/mpl_maint

ENH/FIX/MAINT: add back support for MacOSX backend in mpl
ENH: add field line viz function and method
remove contains experiment
API : refactor the plot_evoked_field function
API : name it make_field_map
add some comments