This patch adds subsurface.debug script and install it for Linux.
Instead of running subsurface, you can run subsurface.debug which will launch
subsurface as usual, but will monitor subsurface exit and run gdb automatically
if subsurface crashes and it creates a crashlog in $HOME/.
Signed-off-by: Guillaume GARDET <guillaume.gardet@free.fr>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
