FIX sfreq, ENH eog/misc can now take indices
FIX remove the max_samp ref

Everything should be based on the sfreq. The sfreq by definition now is
the max sampling freq for imported data.
COSMITS and FIX or statement, accidental deletion of n_samp
COSMITS and FIX n_samps
FIX reference to n_samples_per_record
UPDATE indexing and test with assert_allclose
FIX index arg
Merge pull request #1681 from t3on/tb-edf-samp

FIX sfreq, ENH eog/misc can now take indices
ENH: centralize polhemus data readers

Fixed their references
ADD test for polhemus readers
Remove specific hsp/elp reader

This parsing is easily done with np.loadtxt. Code updated accordingly.
FIX _set_dig_neuromag for _kit2fiff_gui
WIP
Check shape when reading file
PEP8
ADD set_dig_points
FIX import