Fix version number

See merge request !3

Database migrations, automatic setup, menu item refactoring

See merge request !2

- Rename MenuLink => MenuItem
- Add parent/child link to MenuItem
- Add dropdown menus to the default theme
- Add database migration system (Flask-Migrate, Alembic)
- Create database migration for menu item change

Use Alembic and Flask-Migrate for painless database upgrades

See merge request !1

- Fix CKEditor not showing up on marked fields
- Add description field to sermons
- Expanded Sermons menu due to Bootstrap4-related bug
- Bump version number

Fix a bug where menu items that have been changed cause a unique constraint violation when starting CornerstoneCMS

- Fix repeating sermon on home page
- Set up logging
- Log Sphinx/Manticore errors

Remove the templates from the bootstrap4 theme (they just inherit the default ones), ignore the generated docker-compose.yaml file

Add search field to sermons page, load settings from JSON, remove local theme directory detection (use THEME_PATHS instead), update to version 0.1.4