Use Shift-ed hotkey to mark auto trade stockpiles, as it seems to be easy to accidentally toggle the setting.
Improve help display in building planner
Add plugin to allow auto melting from stockpiles
Keep items in ANY_MELT_DESIGNATED vector in id order
Merge branch 'automelt'
Re-organize UI for autotrade and automelt
Add stockpile monitoring to autodump
Add stockpile monitoring to autodump