FIX : improve support for CTF system
FIX + ENH : add docstrings + fix bugs in CTF compensation
FIX : fix in make_compensator
STY: simplify make_compensator
ENH : get rid of useless findall function
FIX : was broken by last commit ...
typo
API : deprecate CTF compensation in Epochs and move it to Raw
update what's new
TST : add some tests for compensation
ENH : move CTF raw to _read_raw_file
MISC : cleanup suggested by eric
FIX : revert compensation when writing
FIX : add comp to RawKIT
Merge pull request #612 from agramfort/ctf_fixes

MRG : improve support for CTF system
ENH: SSP toggle box for plot evoked
ENH: fix corner case in proj.py, refactor plot

ENH: externalize catchers

ENH: fix example

FIX: really fix example
ENH: unify code base

FIX: example

FIX: plot show
FIX: address issues rasied in discussion
ENH: improve example