Fixed block placement checks

src/main/java/mekanism/common/block/BlockBasic.java

@@ -487,7 +487,7 @@ public class BlockBasic extends Block implements IBlockCTM, ICustomBlockIcon
 		
 		if(world.isRemote)
 		{
-			return true;
+			return false;
 		}
 
 		if(tile instanceof TileEntityThermalEvaporationController)

src/main/java/mekanism/common/block/BlockEnergyCube.java

@@ -156,7 +156,7 @@ public class BlockEnergyCube extends BlockContainer
 	{
 		if(world.isRemote)
 		{
-			return true;
+			return false;
 		}
 
 		TileEntityEnergyCube tileEntity = (TileEntityEnergyCube)world.getTileEntity(x, y, z);

src/main/java/mekanism/common/block/BlockGasTank.java

@@ -103,7 +103,7 @@ public class BlockGasTank extends BlockContainer
 	{
 		if(world.isRemote)
 		{
-			return true;
+			return false;
 		}
 
 		TileEntityGasTank tileEntity = (TileEntityGasTank)world.getTileEntity(x, y, z);

src/main/java/mekanism/common/block/BlockMachine.java

@@ -558,7 +558,7 @@ public class BlockMachine extends BlockContainer implements ISpecialBounds, IBlo
 	{
 		if(world.isRemote)
 		{
-			return true;
+			return false;
 		}
 
 		TileEntityBasicBlock tileEntity = (TileEntityBasicBlock)world.getTileEntity(x, y, z);