V1.15

new features:

- added support for ldaps
- added database unlock functionality
- added a notification when passwords are stored in the Thunderbird password manager

fixes:

- sometimes passwords were stored in the Thunderbird password manager
- native password prompts for LDAP did not fetch passwords properly 
- use correct return values in LoginManagerAuthPrompter
- use correct return values in Prompter
- support for LDAP was still broken