Changes

Various Fixes (#3537)
* Updated ItemUtils, added isBlock check to smelt functions

+ added a check in ItemUtils.isSmeltable() and ItemUtils.isSmelted() to
make sure the Item type was a block to prevent an error occuring
mentioned in https://github.com/mcMMO-Dev/mcMMO/issues/3536

* Fixed Green Thumb replant issue
 see https://github.com/mcMMO-Dev/mcMMO/issues/3535
 HerbalismManager
= fixed names of netherwart
= fixed handleBlockState, and slightly altered it
= fixed name of netherwart

* Fixes to herbalism skill
 Herbalism
= fixed material name for grass in green terra block conversion
= fixed material name for grass in shroom thumb block conversion
EntityListener
= fixed material name for melon in food level change
= updated name for melon and sugar cane

* Minor Name Updates
 experience config
= removed Stone|*
= added Stone, Granite, Adesite, Diorite
= updated material reference for wood

* Small fishing change
 PlayerListener
= made it so COD, TROPICAL_FISH, and PUFFERFISH are no longer
overwritten, so players can now catch these
 (commit: 2f2a80e)