Plan is to rename OAR module to less fancy names, e.g. oar_...

We hope to only need some `sed' commands.

=== Almighty ===
  * oarserver (-> already used as the wrapper script) 
=== bipbip ===
  * oarrunner
  * oarlauncher
  * (the runner module: does not exist anymore)
=== oar_all_in_one_scheduler ===
  * oarscheduler
=== leon ===
  * oarkiller
=== sarko ===
  * oartime_checker
=== hulot ===
  * oargreenifier
=== finaud ===
  * oarhealth_checker
=== node_change_state===
  * oarstates_modifier
  * oarstates_manager