braindead handling of HumanChange events. Previous was not KISS enough
more verbose error messages
search harder to a path in which we can write our data
improve a french translation
add a 'switch exercise' in the menu, and equip it with the Ctrl-E accelerator
release 20130531 for the change 'Try harder to find a path where we can save our data'
useless file changes resulting from a 'ant dist' (translation resynchronize -- no change -- and version update in prop file)
kill dead code
dont release the 'run' button until we're done verifying the result
make the Junit test more similar to what we have in the regular code

plus various tiny cosmetics
how does it comes we didn't write a proper toString yet?
show all broken tests in debug mode
hell, I know that not all the exercises are ported to python yet. Don't slow down my junits anymore
hackish pimple to get Bat exercises working in unit tests
take more care of the result in the entity
this is not java-only anymore
we want to test all lessons and catch unported exercises. Still a lot to do :/
rebuild an order that seems logical with the new exo navigator
christopho-style commit
BatEntities now work within the unit tests too (fix #67)