Added Alpha Layer support and Additional Attachments, plus I reverted my

localhost on outgoing log hack and added the original values back in.

indra/llrender/llrender.cpp

@@ -799,6 +799,9 @@ void LLRender::setSceneBlendType(eBlendType type)
 		case BT_MULT:
 			glBlendFunc(GL_DST_COLOR, GL_ZERO);
 			break;
+		case BT_MULT_ALPHA:
+			glBlendFunc(GL_DST_ALPHA, GL_ZERO);
+			break;
 		case BT_MULT_X2:
 			glBlendFunc(GL_DST_COLOR, GL_SRC_COLOR);
 			break;