* elbank-common.el: Remove method elbank-transaction-elt for `label'.
* elbank-report.el (elbank-report--cell): Handle custom labels.
* test/elbank-common-test.el: Remove old transaction label tests.

* elbank-budget.el (elbank-budget--insert-line): Handle zero budgets.

Boobank refactoring

See merge request nico/elbank!12

* elbank-boobank.el: Simplify import from boobank and merging.
* elbank-common.el (elbank-write-data): Do not take any argument anymore.
* elbank-report.el: Update `elbank-write-data' usages.
* test/elbank-boobank-test.el: Update tests accordingly.

* elbank-common.el (elbank-transaction-elt): Return the custom label of the
  transaction when set.
* elbank-report.el (elbank-report-set-custom-label): New command.
* elbank-transaction.el (elbank-transaction--refresh): Display all transaction
  keys.
* test/elbank-common-test.el: New test for custom labels.

Fix buttons in overview

See merge request nico/elbank!13

* elbank-overview.el: (elbank-overview--insert-saved-reports-type) Use
  make-text-button as it makes the button compatible with ace-link.

Use async processes to fetch boobank data

See merge request nico/elbank!10

* elbank-common.el (elbank-transaction-elt): Because split transactions have no
  account, use their parent transaction.

Get RAW if LABEL is not present

See merge request nico/elbank!11

Let the user split sub-transactions

See merge request nico/elbank!9

Always display total

See merge request nico/elbank!7

Add autoload for elbank-report-open-by-name

See merge request nico/elbank!8

* test/elbank-boobank-test.el: Test account merging when there are new account
  fields.

* elbank-boobank.el: Detect new accounts by comparing ids.
* test/elbank-boobank-test.el: Add a regression test.

Open reports by their name

See merge request nico/elbank!6

* elbank-common.el: Add elbank-report--all-saved-reports,
  elbank-report--open-saved-report, elbank-report-open-by-name.

* elbank-overview.el: Adapt to new functions.

Make the Transaction view display the account

See merge request nico/elbank!5

Add account column

See merge request nico/elbank!4

* elbank-common.el: Add elbank-account-name and elbank-account-group.

* elbank-overview.el: Adapt to new functions.

* elbank-report.el: Set a default max column width of 40, and truncate
  overflowing strings.