Endless Biomes

Additions:
- Resistive Bulwark, a rare variant of the bulwark
- Resistive Sentinels found in the resistive bulwark, takes basically no knockback
- Resistive Obsidian, the hardest mineable block in the game
- Void-Touched leggings with high knockback resistance
- Anklor Shell smithing upgrade template, found in arkan ruins

Changes:
- Anklor and Void-Touched Armor have been retextured and made trimmable
- Shared pain enchantments acquired from Ruinous altars were bugged and could not be applied to weapons
- Changed splitstone prairie spawning slightly (spawns further into the island, less "coastal")
- Changed ender fern, root and spindle textures
- Changed phantom block item texture so it's actually visible in GUIs
- Blocks could not be broken with riftite or endurians in your main hand
- Darkest Hour achievement was unlock when attempting to use a hoe on any block, now restricted to those in the dirt tag
- Fixed minor problems with the sentinel's glowing texture
- Added Shared Pain description
- Improved riftite shard tooltip
- Slipstone can now spawn higher up than vanilla generation allows (for modded terrain)