Add fields for ammo to Equipment model
Add additional cost / tonnage functions for equipment

Add additional cost / tonnage functions for equipment + implement a
function to get the total armour count for a given mech.
Fixes to solaris.warbook.equipment

Fix a few syntax errors in solaris.warbook.equipment
Activate solaris.warbook.equipment
Skeleton of cleaner Mech Loader implementation

Basic outline of a cleaner mech-loader implementation approach.
Add transaction handling to Parser