updated readme

Author: seinecle

README.adoc

@@ -1,14 +1,11 @@
 = Open and collaborative Gephi tutorials (in multiple languages)
-Clément Levallois <clementlevallois@gmail.com>
+Clément Levallois <clementlevallois@gmail.com>
 2017-01-11
 :revnumber: 1.0
 :example-caption!:
 ifndef::imagesdir[:imagesdir: images]
 ifndef::sourcedir[:sourcedir: ../../main/java]
 
-image:https://badges.gitter.im/gephi-tutorials/Lobby.svg[link="https://gitter.im/gephi-tutorials/Lobby?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge"]
-
-
 Website: https://seinecle.github.io/gephi-tutorials/
 
 This is a project to write Gephi tutorials in an open and collaborative way:
@@ -18,8 +15,6 @@ This is a project to write Gephi tutorials in an open and collaborative way:
 - tutorials use a lot of charts. I use Google Drawings for that. Very practical for online editing, and live updates: charts made on Google Drawing can be embedded in web documents, so that any correction brought to a chart is instantaneously reflected in the web versions of the tutorials. Great stuff.
 
 
-The project is just starting (even this readme page is just a sketch).
-
-Want to join? Questions? Create a Github account and open an issue here!
+The project has started in January 2017. Want to join? Questions? Create a Github account and open an issue here!
 
-by http://clementlevallois.net[Clément Levallois], Associate Professor at http://www.emlyon.com[em*lyon* business school].
+by http://clementlevallois.net[Clément Levallois], Associate Professor at http://www.emlyon.com[emlyon business school].