audit search fixes

include lang in the user settings modification audit entry

audit fixes

you can search for the most frequent audit actions

fixed the chart drawing

removed admin check from accounting controller

accounting fixes + restrict it to admin user only

prevent adding empty retention rule

webui fixes

heavy code cleanup in the webui

fixed typo in archiving policy

revised ms journal handling

prevent you to shoot yourself in the foot very badly with an archiving rule

fixed a bug in user add/edit if empty line among the email addresses

improved multitenancy support

added a select option to auditors to define the recipients of the message to be restored

webui code cleanup

fixed a bug in the user add form

added single sign-on support

you can download individual attachments

added google xoauth2 support + fixed a journaling issue

use the browsers language preferences instead of the settings page

webui detailed search fixes

minor fixes

reintroduced the load saved searches feature

added expand/collapse feature to webui folders

added folder handling to webui

major rewrite of the web interface

another minor fix for expert search

improved the expert search