* Move SessionResource and CertificateAuthorityResource to api/session.py
* Log browser user agent for logins
* Remove static sink from backend, nginx always serves static now
* Don't emit 'attribute-update' event if no attributes were changed
* Better CN extraction from DN during lease update
* Log user who deleted request
* Remove long polling CRL fetch API call and relevant test
* Merge auth decorators ldap_authenticate, kerberos_authenticate, pam_authenticate
* Add 'kerberos subnets' to distinguish authentication method
* Add 'admin subnets' to filter traffic to administrative API calls
* Highlight recent log events
* Links to switch between 2, 3 and 4 column layouts in the dashboard
* Restored certidude client snippets in request dialog
* Various bugfixes, improved log messages
* Reverse RDN components for all certs
* Less side effects in unittests
* Split help dialog shell snippets into separate files
* Restore 'admin subnets' config option
* Embedded subnets, IKE and ESP proposals now configurable in builder.conf
* Use expr instead of bc for math operations in shell
* Better frontend support for Let's Encrypt certificates
* Subnets configuration option for Kerberos machine enrollment
* Configurable script snippets via [service] configuration section
* Preliminary revocation reason support
* Improved signature profile support
* Add domain components to DN to distinguish certificate CN's namespace
* Image builder improvements, add Elliptic Curve support
* Added GetCACaps operation and more digest algorithms for SCEP
* Generate certificate and CRL serial from timestamp (64+32bits) and random bytes (56bits)
* Move client storage pool to /etc/certidude/authority/
* Cleanups & bugfixes
* Add EC support
* Make token form toggleable
* Make client certificates compatible with iOS native IKEv2
* Fix OU for self-enroll
* Improved sample scripts in web UI
