update readme

README

-Deps:
+Deps
+----
 
-- gtk3 for python2 (package is python2-gobject in archlinux, as well as gtk3)
+- gtk3 for python2 (package is python2-gobject in archlinux)
 - liblo with python2 bindings (OSC library)
-- get and compile https://github.com/alumae/gst-kaldi-nnet2-online (which requires kaldi)
 
-Install:
+Install
+-------
 
-./download-models.sh
+1) ./download-models.sh
 
-copy libgstkaldionline2.so to ./asr/ or change GST_PLUGIN_PATH in main.py to point to its directory
+2) get and build gst plugin from https://gitlab.lif.univ-mrs.fr/benoit.favre/gst-kaldi-nnet2-online-rocio
 
-Run:
+3) copy libgstkaldionline2.so to ./asr/ or change GST_PLUGIN_PATH in main.py to point to its directory
 
-- The main program:
+4) go to slu/src and build the slu library with make (requires openfst)
+
+Run
+---
+
+1) The main program:
 ./start.sh
 
-- The osc server:
+2) The osc server (optional):
 python2 osc.py
 
-Doc:
+Documentation
+-------------
+
+Some doc for gtk development:
 developing with pygtk3: http://lazka.github.io/pgi-docs/, https://python-gtk-3-tutorial.readthedocs.org/en/latest/
 
-Todo:
+Todo
+----
 
 DONE configuration for osc
 DONE non intrusive animated scrolling