add test templates for cosmetic and lamp-post generation in town.  clean
up generator class (remove extra class)
..
add town test templates from Mohawky -- need to make town template that
uses them
add mohawky default templates.
fix parsing of structure template names (was parsing into lower-case
instead of maintaining case).  
Fix generating of templates with y-offsets (was previously generating at
y-offset = 0 for all)
add all old-models to project resources -- need to remove
no-longer-needed stuff
Merge branch '2.4' into 2.5
remove some debug output...
clean up selection of pieces in piece-select GUI; it was not rendering
the entire scroll-panel of pieces
more model updates
more model and texture updates
actually fix piece selection in model editor for models with pieces>127
(signed/unsigned wtfs going on, had to truncate to just using lower half
of each byte, 21 bits for piece selection... a bit over 2 million pieces
max)