Enable debugging support to debian preinst hook
Enable debugging support to debian preinst hook

It is now possible to turn on debugging during an apt-get run by using `TRACE=1`
alexquick/dokku,amaltson/dokku,crisward/dokku,econya/dokku,elia/dokku,crisward/dokku,Evlos/dokku,progrium/dokku,dokku/dokku,dokku/dokku,jimjag/dokku,expa/dokku,claytonbrown/dokku,expa/dokku,progrium/dokku,johnfraney/dokku,sseemayer/dokku,alexquick/dokku,Evlos/dokku,alexquick/dokku,elia/dokku,johnfraney/dokku,claytonbrown/dokku,jimjag/dokku,progrium/dokku,dokku/dokku,johnfraney/dokku,codeconfab/dokku,alessio/dokku,sseemayer/dokku,fruitl00p/dokku,jimjag/dokku,sseemayer/dokku,Evlos/dokku,crisward/dokku,claytonbrown/dokku,elia/dokku,elia/dokku,sseemayer/dokku,sseemayer/dokku,codeconfab/dokku,johnfraney/dokku,amaltson/dokku,alessio/dokku,dokku/dokku,progrium/dokku,econya/dokku,expa/dokku,sseemayer/dokku,codeconfab/dokku,alessio/dokku,claytonbrown/dokku,econya/dokku,dokku/dokku,elia/dokku,fruitl00p/dokku,crisward/dokku,alessio/dokku,sseemayer/dokku,alexquick/dokku,jimjag/dokku,dokku/dokku,progrium/dokku,amaltson/dokku,elia/dokku,alessio/dokku,expa/dokku,jimjag/dokku,amaltson/dokku,alexquick/dokku,claytonbrown/dokku,fruitl00p/dokku,fruitl00p/dokku,alexquick/dokku,alessio/dokku,johnfraney/dokku,expa/dokku,fruitl00p/dokku,codeconfab/dokku,johnfraney/dokku,claytonbrown/dokku,Evlos/dokku,codeconfab/dokku,progrium/dokku,econya/dokku,dokku/dokku,Evlos/dokku,Evlos/dokku,fruitl00p/dokku,alessio/dokku,codeconfab/dokku,crisward/dokku,expa/dokku,progrium/dokku,crisward/dokku,claytonbrown/dokku,econya/dokku,johnfraney/dokku,jimjag/dokku,crisward/dokku,crisward/dokku,jimjag/dokku,fruitl00p/dokku,sseemayer/dokku,alexquick/dokku,econya/dokku,claytonbrown/dokku,johnfraney/dokku,amaltson/dokku,econya/dokku,amaltson/dokku,alessio/dokku,amaltson/dokku,expa/dokku,elia/dokku,progrium/dokku,dokku/dokku,amaltson/dokku,fruitl00p/dokku,Evlos/dokku,alexquick/dokku,Evlos/dokku,codeconfab/dokku,econya/dokku,expa/dokku,codeconfab/dokku,jimjag/dokku,elia/dokku