VanillaDev/Vanilla — pull request #332 by megagamer410 (2012-10-11 02:03:18+00:00)
Title: Prevents Nether Portals from being created if they would touch another

nether portal. Consistent with (half) of default minecraft functionality, and prevents a rendering error where having 2 nether portals facing the same direction touching each other would cause the portals to become invisible.

Signed-off-by: megagamer410