wiki:rename_oar_modules

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