Rev 460 changes:

Updated:
* Re-enabled shield core, now it works like before.

Fixed:
* Small fixes for stargate movie back-side kawoosh (destroy radius, effect time - thanks to Gmod4phun).
* Orlin stargate duplicator ramp undone.
* Prop protection addons fixes (owner of sub-ents), this includes spp, fpp and other addons what use CPPI interface (please report if something still not

work correct).
* Asuran satellite falls down after spawn duplication.
* Removed temporary fix for shield effect size (now it not needed anymore and create glitch).
* Small other fixes.