Responsive table display implemented

REMOVED: Old table styles commented out
RENAMED: TRADING.JS -> PRICES.JS to keep order/price code in separate files
REMOVED: Place holder for responsive experimenting removed
ADDED: Responsive display settings to show/hide tables at break resolutions
CHANGED: LargeTable text size reduced, and reduced further at low res
CHANGED: LargeTable DepthCheckbox now centred
REMOVED: Gridview price table styling sections
REMOVED: Skeleton Orders code from PRICES.JS