make nose assert_true optional import
Merge pull request #1621 from maedoc/fixes-nose

make nose assert_true optional import
keep bti_info as private attribute
add prop bti labels
favor attr over prop
dont be greedy
Merge pull request #1361 from maedoc/conserve-4d-ch-names

keep 4D ch_name in separate field
fix for pandas 0.15
FIX: do not repeat samples on buffer borders
DOC: update whats new
Merge pull request #1618 from mainakjas/fix_ftclient_buffer

FIX: do not repeat samples on buffer borders
divide by 2 memory usage of read_raw_brainvision
make highpass + lowpass floats
make highpass + lowpass floats for EDF too
add channel types to info repr
pep8
FIX : missing axis param in take
FIX : highpass + lowpass units in brainvision header
update what's new
FIX for float conversion of highpass + lowpass