Take starting time option into account when setting initial weather timeout.
Don't add in the starting time offset to the initial weather change calculation, it's alreadt in OPT_INITIAL_TIME.
Move STARTING_MINUTES to mongroupdef.cpp since it's the only place it's used now.
Extract common code from the two spawn item methods.
Move fitted clothing generation to item spawn method so dropped items don't become fitted.
Merge PR #1073 - spontaneous fitting fix
Merge PR #1019 - weather handles non-default starting time