Changing `character_set_server` requires root permissions and rebooting
the server.
Which is impossible on shared web hosting services.
So use `character_set_database`. This variable can be changed with
user permissions using `ALTER DATABASE`.
install.php:
installer.php:
- add option field and handle logic
display.css:
- hardcode ssl's label margin-top value so all options are correctly displayed
The code used to operate under the assumption that MariaDB doesn't support
quoting identifiers. Not only is that not exactly true, but MariaDB has
reserved keywords that cannot be used as table or column names unquoted.
