More Xcode updates
Merge remote-tracking branch 'upstream/master' into xcode
Merge remote-tracking branch 'upstream/master' into xcode
Xcode project update
Merge remote-tracking branch 'upstream/master' into xcode
Xcode project updates
Merge branch 'master' into xcode
model load/save stubs
load and save model nodes
save animation positions
reorder model setup so they can be loaded properly
savefile version bump
Slight oversight on our part, if you don't have the test_gun model then the scale model won't work either and it aborts.
xorshift-based random number generator, seeding from hash function
Added test for Random

Tests the .Int32 and .Double methods with 32-bit and 64-bit input to hash
function. Hopefully it'll give the same output on all platforms!
Bigger fuel tank and fuel_use_rate replaced by
effective_exhaust_velocity typical for other ships.
cache and reuse groups during model instancing. fixes #2024
Fix crash on opening mission screen in hyperspace
Fix crash on opening mission screen in hyperspace
Fix crash on opening mission screen in hyperspace