Updated more assets to lowercase

src/main/java/cr0s/warpdrive/block/forcefield/BlockForceField.java

@@ -100,7 +100,7 @@ public class BlockForceField extends BlockAbstractForceField implements IDamageR
 		icons = new IIcon[16];
 		
 		for (int i = 0; i < 16; ++i) {
-			icons[i] = iconRegister.registerIcon(getTextureName() + "_" + i);
+			icons[i] = iconRegister.registerIcon(getTextureName() + "-" + i);
 		}
 	}
 	

src/main/java/cr0s/warpdrive/block/movement/BlockLift.java

@@ -28,12 +28,12 @@ public class BlockLift extends BlockAbstractContainer {
 	@Override
 	public void registerBlockIcons(final IIconRegister iconRegister) {
 		iconBuffer = new IIcon[6];
-		iconBuffer[0] = iconRegister.registerIcon("warpdrive:movement/liftSideOffline");
+		iconBuffer[0] = iconRegister.registerIcon("warpdrive:movement/lift-side_offline");
-		iconBuffer[1] = iconRegister.registerIcon("warpdrive:movement/liftSideUp");
+		iconBuffer[1] = iconRegister.registerIcon("warpdrive:movement/lift-side_up");
-		iconBuffer[2] = iconRegister.registerIcon("warpdrive:movement/liftSideDown");
+		iconBuffer[2] = iconRegister.registerIcon("warpdrive:movement/lift-side_down");
-		iconBuffer[3] = iconRegister.registerIcon("warpdrive:movement/liftUpInactive");
+		iconBuffer[3] = iconRegister.registerIcon("warpdrive:movement/lift-top_inactive");
-		iconBuffer[4] = iconRegister.registerIcon("warpdrive:movement/liftUpOut");
+		iconBuffer[4] = iconRegister.registerIcon("warpdrive:movement/lift-top_out");
-		iconBuffer[5] = iconRegister.registerIcon("warpdrive:movement/liftUpIn");
+		iconBuffer[5] = iconRegister.registerIcon("warpdrive:movement/lift-top_in");
 	}
 	
 	@SideOnly(Side.CLIENT)