Consider publishing maven site to github

[kktuax]

Now that we use maven we can publish the maven site with the Javadoc to GitHub pages using their site plugin: https://github.com/github/maven-plugins

[kktuax]

Result of "mvn site" after commit 4552949

http://predictia.github.io/rsession/

Note that ~/.m2/settings.xml must contain auth details:

<settings>
 <servers>
...
    <server>
     <id>github</id>
     <username>youruser</username>
     <password>yourpass</password>
   </server>
...
 </servers>
</settings>

[yannrichet]

done.