Added fixed-pot shared chore auction closing.
Merge branch 'master' of ssh://github.com/tigrennatenn/Choron

Conflicts:
	db/schema.rb
Fixed the auction rescheduling.
Shared chores now close.
Fixed some expected value bugs.
Added links to the chore on the shared chores list
Subdivided expected profit.
Fancy display of expected profit and added divider on chore market page
Merge remote-tracking branch 'origin' into production_nginx