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* Organized the repository to manage branches. *
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Everything you already know has been moved to "trunk"
Added a "branches" directory with 2 subdirectories "releases" and "features"
  * "releases" will be used for branches related to a given release, e.g. when a change to post-treatments are needed for the analysis of data generated using that release.
    For example: I am analysing data that I generated using versions 2.1.2 of the code. I hence created the branch "releases/aevol-2.1.2" so that I can code my post-treatments in a properly versionned way. These development may (depending on the level of specificity) be added to the trunk eventually (using svn merge)
  * "features" is meant to be used when developing a new feature that takes time developing. This will enable us to use svn feature more thouroughly, e.g. commit more often (even "unstable" versions) in a personal branch of the svn.

If you don't want to use branches or if you just want to be able to update regularly, you need not change your habits, just add "/trunk" when you check out
=> "svn checkout svn+ssh://username@svn.gforge.liris.cnrs.fr/svnroot/aevol/trunk"

Questions/remarks are welcome!
David