Updating drupal/smtp (1.0.0-rc4 => 1.0.0)

- adding cache age
- adding mobile detection

- book module patch update

setting option to link to anchors within accordions and have accordions open as expanded when user lands on page

- adding custom patch to multiple_fields_remove_button module to add ability to remove date range fields

- adjusting slider size in mobile

Updating drupal/config_ignore (2.2.0 => 2.3.0)

Updating drupal/search_api_db (1.17.0 => 1.18.0)

Updating drupal/dropzonejs_eb_widget (2.1.0 => 2.1.0)