update doc for data selection and hdf5 scan concatenation
context
Update of the documentation after edf and hdf5 data selection (!352 (merged)) and adding scan concatenation (!335 (merged) )
details
- convert user guide from pdf to html (close #139 (closed))
- upgrade user guide to use hdf5 by default instead of edf
- upgrade some widget documentation
- add 'sphinxcontrib-video' to the dependencies (allows to display the 'demo' video directly)
Edited by payno