GOB: Calculate _totResStart even if no resources follow

It's also used as a base offset for TOT strings.
This fixes a crash in the Amiga version of Bargon Attack.
DEVTOOLS: Fix accidental string concatenation (CID 1192645, 1192646)

The other string concatenation looks deliberate to avoid compiler
warnings, but these were almost certainly accidental. Also fixed
some German inventory-related strings. Dreammaster has promised to
generate a new lure.dat, since I'm not comfortable doing it myself.
LURE: Minor change to language text strings
FULLPIPE: More renames in scene18and19
FULLPIPE: More vars renamed in scene18
FULLPIPE: Yet more renames in scene18 and 19
FULLPIPE: Last renames in scene18and19. This completes the scene