Added definitions (enums) for special/passive ability.
Added special abilities to loadout. Not completely functional yet.
Moved some classes around. Created menu package.
Deleted unused class.
Made some fields final that were eligibile.
Switching tables is now supported.
Table label now reflects what is shown in the table.
Added selection of passive ability at loadout menu.
All abilities and standard weapon can now be selected and work ingame.
Added more javadoc.
'Fixed' projectilerain. See TODO for what is still broken.
Merged loadoutscreen.