Add _mbox parameter to the 'mark' request sent after opening a message
Use current year for timezone offset display
Improve plugin selection in installer; check already selected plugins
Make rcube_utils::strtotime() timezone aware (#1490163)
Fix rcube_utils::normalize_string() to support unicode characters + add argument for minimum token length
Update Changelog
Synchronized localizations from Transifex
Add Dockerfile.
Add SSL support to Dockerfile.
Add environment variable reading to configuration.

Docker prefers to pass parameters via environment variables.  This
allows the environment variables to be checked and if a value exists it
will override the default.
Fix offset of download icon
Improve move-to and contact-export button in classic skin (#1490166)
Update changelog
Merge pull request #244 from alunduil/dockerize

Add Dockerfile and allow configuration overrides through env variables
Fix syntax error and codestyle from recent PR merge
Display "real" attachment size also on attachments list