added SLS converter for DPC tomography
added SLS converter for DPC tomography, fixed tabs/spaces
added SLS definitions for DPC tomography
work in progress SLS DPC converter using data exchange API
work in progress SLS DPC converter using data exchange API
working on SLS DPC tomo using data exchange API
added setup and acquisition groups for tomography
changes sample_settling time into stabilization_time
added CHESS converter
fully tested on SLS log file, sent to Federica for check
added importer for Grenoble lab data and and example of data exchange working directly with tomopy without data conversion
Merge pull request #4 from data-exchange/develop

Develop
working on reviewers comment
working on reviewer comments
working on reviewer comment: added Data Exchange future
exmaple to direct import to tomoPy
created SLS convert and tomoPy importer
Update import_tomoPy_SLS.py

removed data exchange exporter
importer directly to tomoPy
tested