started expense list partial
fixed routes conflict
Expense listing partial
lists all expenses for a particular group in a table.
each row is clickable and goes to the event details page
description and the amount of expense is displayed
Merge branch 'master' into marcus

solved conflict in merge

Conflicts:
	app/controllers/expenses_controller.rb
Merge branch 'master' of github.com:elitenomad/expense_tracker