set the app root to accounts page
scaffold created and association with account done
get accounts in the 'edit' action
remove the 'edit' and 'delete' links and display 'date' column
add main accounts 'Totals'
add validation to account form
put the needed logic to mantain 'Main Accounts' equation while creating sub-accounts
add transaction validation, and exclude Main accounts from transactions
implement the double-entry-account logic
update tests
add tests
remove 'edit' route for transactions'
Merge branch 'addTransaction' into develop