fix sound test
interface rules

methods for defining them in ruleset and applying them in the state constructors

also allows for seperate definition of individual colours on a bar (ie:border)
un-hardcode icon size
apply ruleset values to battlescape control panel

and a minor optimization in battlescapeState constructor
apply ruleset values to various sub-screens

inventory, medikit, minimap, stats screen
actual ruleset values for interfaces
add missing include
add ability to define ocean colour block via ruleset

this will come in handy for TFTD
brace yourself.
fix spotted unit numbers
fix 923
no points for live recovery without a containment
fix fuel/fire
fix reservation/kneeling error
include tu cost for moving item