slider from matplotlib
added readme
Update README.md
OPT: created sct_orientation.py script to enable 4D data. Also renamed binaries to isct_orientation3d. Still need some work.
BUG: fixed function sct_orientation
DOC: minor change
BUG: fixed dependences with sct_orientation
OPT: created subfunction get_orientation and set_orientation for easier call from other functions
OPT: set_orientation now returns fname_out
BUG: fixed new compatibility with sct_orientation
OPT: removed get_orientation and set_orientation from sct_utils
REF: now calling sct_orientation as a module
REF: now calling sct_orientation as a module
BUG: set_orientation now returns full path
BUG: fixed compatibility with sct_orientation
BUG: fixed compatibility with sct_orientation
BUG: addressed pb if data are 4D
REF: now using $PYTHONPATH environment variable
REF: removed __init__.py (not used because modules are loaded using PYTHONPATH variable)
BUG: now using fslhd to get orientation (to better deal with 4d data without having to split them)