Updates the power descriptions of charm powered boots, cloaks, light-armor, mindstars, and staves to be more descriptive.

Minor bugfix to Object:getUseDesc to reference the correct actor

Updated resolvers.charm to allow specifying additional .use_power fields.

Made Reshape W/A truly idempotent and also it now autoupdates through normal means and not horrible hacks.

singularity aoe damages friendly targets

Fixes bug when calculating the price of stacked times with zone-adjusted costs (.__price_level_mod) in stores and trasmo.
Restores the buy cost limit to the store dialog.