Update CraftBukkit to 1.6.2

src/main/java/net/minecraft/server/World.java

@@ -1347,10 +1347,10 @@ public abstract class World implements IBlockAccess {
             entity.lastYaw = entity.yaw;
             entity.lastPitch = entity.pitch;
             if (flag && entity.ai) {
+                ++entity.ticksLived;
                 if (entity.vehicle != null) {
-                    entity.T();
+                    entity.U();
                 } else {
-                    ++entity.ticksLived;
                     entity.l_();
                 }
             }
@@ -1549,7 +1549,7 @@ public abstract class World implements IBlockAccess {
                 }
             }
 
-            if (vec3d.b() > 0.0D && entity.av()) {
+            if (vec3d.b() > 0.0D && entity.aw()) {
                 vec3d = vec3d.a();
                 double d1 = 0.014D;
 
@@ -2339,7 +2339,7 @@ public abstract class World implements IBlockAccess {
             // CraftBukkit start - Split out persistent check, don't apply it to special persistent mobs
             if (entity instanceof EntityInsentient) {
                 EntityInsentient entityinsentient = (EntityInsentient) entity;
-                if (entityinsentient.isTypeNotPersistent() && entityinsentient.bA()) { // Should be isPersistent
+                if (entityinsentient.isTypeNotPersistent() && entityinsentient.isPersistent()) {
                     continue;
                 }
             }
@@ -2565,7 +2565,7 @@ public abstract class World implements IBlockAccess {
                 }
 
                 if (entityhuman1.isInvisible()) {
-                    float f = entityhuman1.bs();
+                    float f = entityhuman1.bw();
 
                     if (f < 0.1F) {
                         f = 0.1F;