This commit was manufactured by cvs2svn to create tag 'before_csv_enhanced'.
umm got it more right this time with the fuel??? I hope??
changed fuel to be internally represented in terms of metric tons
cahngec ampi
changed parse float to parse bool for boolean value'
python script to merge unit files into master unit file
Tried to fix atmosphere generation.
some small fixups
Added wheel zooming support for the nav screen and map.
some small cahgnes