Cleanup.

- Fixed a few warnings
- Unified the formatting of the command prologue
- Put down why it was deprecated in the javadoc of a deprecated method.
- Gave //none a better usage line
- Switchcaseified some elseifs

src/main/java/com/sk89q/worldedit/blocks/BlockType.java

@@ -728,6 +728,7 @@ public enum BlockType {
      * 
      * @param id
      * @return
+     * @deprecated This function ignores the data value.
      */
     @Deprecated
     public static int getDroppedBlock(int id) {