Fixed scripting bugs reported by Vas:  - Wares added with the script were not counted in stats causing an integer overflow (because initial = 0, produced = 0, consumed > 0)  - House plans were not being added correctly, not taking into account the house's entrance and not being added to the stats
Fixed scripting bugs reported by Vas:
 - Wares added with the script were not counted in stats causing an integer overflow (because initial = 0, produced = 0, consumed > 0)
 - House plans were not being added correctly, not taking into account the house's entrance and not being added to the stats

git-svn-id: cdbd3c3453b226d8644b39c93ea790e37ea3ca1b@5052 a386ff7f-d321-c144-bb17-e251d28fee14

Kromster80/kam_remake,Kromster80/kam_remake,Alexandr57/kam_remake,reyandme/kam_remake,thibmo/kam_remake,thibmo/kam_remake,Alexandr57/kam_remake,wimulkeman/kam_remake,Alexandr57/kam_remake,reyandme/kam_remake,wimulkeman/kam_remake,Alexandr57/kam_remake,Alexandr57/kam_remake,thibmo/kam_remake,wimulkeman/kam_remake,wimulkeman/kam_remake,thibmo/kam_remake,Kromster80/kam_remake,Kromster80/kam_remake,Kromster80/kam_remake,reyandme/kam_remake,Alexandr57/kam_remake,wimulkeman/kam_remake,reyandme/kam_remake,reyandme/kam_remake,thibmo/kam_remake