Added Cashbox Totals module
   calpoly/api/cashbox_totals.py: API interface for cashbox totals module
   calpoly/api/transactions.py: Use single instead of double quotes
   calpoly/finance/models.py: Cashbox Total db models
   calpoly/frontend/static/css/consoles/budget.css: Css for cashbox total table
   calpoly/frontend/static/js/consoles/budget.js: Submit new, delete, and view cashbox totals
   calpoly/frontend/static/js/generate_methods.js
   calpoly/frontend/static/js/fake.js: Create fake cashbox totals
   calpoly/frontend/static/templates/consoles/budget.html: Cashbox total table and submit form
   migrations/versions/2877de26c346_add_reimbursement_type.py: Edited earlier migration to also add cashbox total table
   setup.sql: Fixed a bug in adding budget categories