1. install EclipseMercurial
Update Site: http://cbes.javaforge.com/update
2. install SVN Connector:
Update Site: http://download.eclipse.org/technology/subversive/0.7/update-site/
(the site address might be duplicated)
(under Ubuntu)
1. install mercurial
>sudo apt-get install mercurial
2. install subversion
>sudo apt-get install subversion
