styled category selection
Merge branch 'master' of https://github.com/h10r/kth-expense-tracker
resolved expense model conflict
Conflicts:
	app/js/Models/ExpensesModel.js
Merge branch 'master' of https://github.com/h10r/kth-expense-tracker
resolved conflict in ExpenseModel
Conflicts:
	app/js/Models/ExpensesModel.js