[account_financial_report][IMP] Adds the following:

All reports:
- Rename field to hide accounts at 0 to 'hide_account_at_0'
Trial Balance:
- Add possibility to filter by hierarchy levels
- XLSX format will show the hierarchy levels in bold

General Ledger:
- Add the possibility to filter by analytic tags
- Fixes an error on the default date
Journal Ledger:
- The filter on Journals is now optional. If the user does not choose
a journal, by default it will display all journals.

Aged Partner Balance:
- Fixes an error on the default date

account_financial_report/tests/test_open_items.py

@@ -36,6 +36,6 @@ class TestOpenItems(a_t_f_c.AbstractTestForeignCurrency):
     def _getAdditionalFiltersToBeTested(self):
         return [
             {'only_posted_moves': True},
-            {'hide_account_balance_at_0': True},
-            {'only_posted_moves': True, 'hide_account_balance_at_0': True},
+            {'hide_account_at_0': True},
+            {'only_posted_moves': True, 'hide_account_at_0': True},
         ]