fix cosmits plot_image
Merge pull request #1674 from dengemann/viz-maint-2

ENH: fix cosmits plot_image
montage_file keyword for read_raw_brainvision

Alternative method for specifying electrode locations via apply_montage
Reorganize transformation functions
ADD hpts compatibility
ADD montage arg, deprecation warning

Restructure the arguments for the edf modules.
Consolidated the input arguments for importing montages.
Add deprecation warning for old inputs.
MODs
ADD hpts reading
PEP8 and update to whats_new
FIX montage, MV get_ras_to_neuromag_trans to transforms
FIX: Stray comma, missing import
RM incorrect dev_head_t from edf
FIX remove coreg import
ADD arg, Cleanup

ADD new arg for eog, misc
FIX typo in arg
FIX re for space
FIX testing suites
Clean up
FIX issues

Change default value for eog, misc.
Make transform functions private.
MV test for get_ras_to_neuromag_trans
ADD Proper Deprecation Warning
FIX missing import