Added description & tutorial document

README.md

-## varanus: _A set of applications for providing resilient communications in a Software-Defined Network_
+# Varanus: _A set of applications for providing resilient communications in a Software-Defined Network_
 
-### Overview
-TODO
+Please read the document [doc/Description\_and\_Tutorial.pdf](doc/Description_and_Tutorial.pdf) for a description of the applications and instructions on how to use them.
 
-### Requisites
-For all applications:
-- 64-bit Linux-based operating system with a bash shell
-
-For the sdncontroller and collector applications:
-- Java (8 or higher) for building and running the applications
-- Ant build tool for building the applications
-- Libpcap for running the collector application
-
-For the network-manager application:
-- Mininet (v.2.2.2 or higher) for running the application
-- Open vSwitch (v2.5 or higher) for managing software switches in the local machine
-
-For the network-visualiser application:
-- Tomcat (v8.5 or higher) for running the local server
-- Java (8 or higher) for running the tomcat server and for building and running the xml-proxy
-- Web browser with enabled JavaScript for interacting with the application
-
-### Demo instructions
-Build all Java applications:
-<big><pre>
-$ cd &lt;repository directory&gt;
-$ ant pack-all
-</pre></big>
-
-Open a terminal and launch the network manager as root:
-<big><pre>
-$ cd &lt;repository directory&gt;
-$ ./demo/launch\_network.sh
-</pre></big>
-
-Open another terminal and launch the network visualiser:
-<big><pre>
-$ cd &lt;repository directory&gt;
-$ ./demo/launch\_visualiser.sh
-</pre></big>
-
-Open a web browser and go to 'localhost:8080/visualiser' (default password is "password").
-### Contributors
-Ricardo Fonseca
-
-Eric Vial
-
-Nuno Neves
-
-Fernando Ramos
+## Contributors
 
+* Ricardo Fonseca
+* Eric Vial
+* Nuno Neves
+* Fernando Ramos
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