clenup
renaming to keep consistency of other xbian or xbian-xbmc files

underscores are not accepted in names by various system utile, like for example "run parts" and others.
xbmc priority can by in package, main config file is still at package-xbmc (already updated with those relevant changes around xbian-xbmc-bridge)
general update to deb helper scripts
Revert "renaming to keep consistency of other xbian or xbian-xbmc files"

This reverts commit 365ee2e4b234dae8dc2bb90624b78a139f69b68f.
renaming to keep consistency of other xbian or xbian-xbmc files

underscores are not accepted in names by various system utile, like for example "run parts" and others.
update for name change and start rather on xbmc finished loading than on started xbmc.

that time xbmc is not fully initialized and there can be racing condition on binding port 9090 by xbmc and python script
use standard python logger
correction in description. level2 according the code is on screensaver activated