Elytras+ 2.0

E+ 4.0:

Fixes:
- Fixed naming for stripped warped stem & warped wood elytra
- Redid all color elytra textures
- Redid most of the elytra item textures to be more proffessional


Additions:
+ Grass block elytra
+Stripped Mangrove Log Elytra
+ Mangrove Log Elytra
+ Mangrove Wood Elytra
+ Powered Redstone Ore Elytra
+ Powered Deesplate Redstone Ore Elytra
+ Powered Old Redstone Ore Elytra
+ Animated Prismarine Elytra
+ Glowing Warped Stem Elytra
+ Glowing Crimson Stem Elytra
+ Ediths Checkerspot Butterfly Elytra
+ Light Blue Parrot Wings
+ Blue Parrot Wings
+ Gray Parrot Wings
+ Green Parrot Wings
+ Red Parrot Wings
+ Scarlet Macaw Wings
+ Bee Wings
+ Mini Bee Wings
+ jeb_
+ Red Wool Elytra
+ Orange Wool Elytra
+ Yellow Wool Elytra
+ Lime Wool Elytra
+ Green Wool Elytra
+ Cyan Wool Elytra
+ Blue Wool Elytra
+ Light Blue Wool Elytra
+ Purple Wool Elytra
+ Magenta Wool Elytra
+ Pink Wool Elytra
+ White Wool Elytra
+ Light Gray Wool Elytra
+ Gray Wool Elytra
+ Black Wool Elytra
+ Brown Wool Elytra
+ Cube One Elytra
+ Cube Two Elytra
+ Cube Three Elytra
+ Omnisexual Pride Elytra (thanks matt)
+ Gay Pride Elytra (mlm flag)
+ Mexico Wings
+ Ultrakill Gabriel Wings
+ VHS Elytra (thanks @hide#6722)
+ Saul Goodman Elytra
+ Smash Bros Elytra
+ Batman Cape Elytra
+ Ancient Elytra
+ Full Moon Elytra
+ Gibbous Moon Elytra
+ Quarter Moon Elytra
+ Crescent Moon  Elytra
+ New Moon Elytra
+ Moon Elytra
+ Missing Texture Elytra
+ Vanilla Elytra
+ Valentine Elytra
+ Mojang Studios Elytra