Descriptive Problem Summary:
Several hud objects are incorrectly placed at hud when using keywords like CENTER or offsets

Numbered Steps to Reproduce Problem:
1. Add hud object with screen_loc using keywords like CENTER or offsets

Code Snippet (if applicable) to Reproduce Problem:
Included demo with a bunch of examples, you can notice the colored squares placed in dreamseeker than open in webclient to reproduce the problem.

https://dl.dropboxusercontent.com/u/51176364/ scratch_screen_loc.zip

Expected Results:
objects to be placed at screen_loc

Actual Results:
Placed at different location.

Does the problem occur:
Every time? Or how often? Yes
In other games? Yes
In other user accounts? Yes
On other computers? Yes

When does the problem NOT occur?

Did the problem NOT occur in any earlier versions? If so, what was the last version that worked? (Visit http://www.byond.com/download/build to download old versions for testing.)

Workarounds: