- fixed an error on finance in admin panel

- flight ident now use this format: VA IATA(if empty ICAO) + Flight Number + - + Flight Code (without C) + - + Flight Leg (without L)
- added function __trans_choice in helpers.php for translation
- fixed error in flight edit/insert panel not showing/inserting Tuesday in days
- fixed an error occurring when metar retrieved is empty
- edited now-ui-kit.css to align login fields correctly
- added /public/assets/frontend/js/core/jquery-3.3.1.min.js to fix a missed resource error in authentication pages
- added translations file for en and it locales
- translated all the frontend templates

app/Http/Controllers/Admin/FinanceController.php

@@ -51,7 +51,7 @@ class FinanceController extends Controller
         # group by the airline
         foreach ($airlines as $airline) {
             # Return all the transactions, grouped by the transaction group
-            $transactions = JournalTransaction::groupBy('transaction_group')
+            $transactions = JournalTransaction::groupBy('transaction_group', 'currency')
                 ->selectRaw('transaction_group, currency, 
                              SUM(credit) as sum_credits, 
                              SUM(debit) as sum_debits')