Misc fixes
- Randbosses get their class inscriptions (allows gunslingers to get steam implants) and get generalized resource boosts.
Weapon tooltips show extra precision for resource costs.
Fixed a bug in tooltips for projectiles in cheat mode.
Dug sandwalls have a tooltip.
Charactersheet: fixed a bug that could cause the equip button to be labeled incorrectly in the equipdoll. Shield damage correctly reflects no off-hand penalty.
The lightning overload quest only shows up for Maj'Eyal campaign.