Craft and Conquer

These are relatively minor tweaks and additions.

• Removed Packed Up: Backpacks
• Added Sophisticated Backpacks
• Removed Sparse Structured Reforged
• Removed Xaero's World Map and Xaero's Minimap. This is being tested, and may be reverted
• Added Durability Tooltip
• Slight adjustments to the spells of the lightning, ice, and fire schools of magic to better fit when used with the late-game Dragon Priest armor sets