Breaking
* Remove support for external unoconv listeners
* `UNOCONV_SERVER` and `UNOCONV_PORT` are no longer supported configuration options. Please remove
them from your configuration file.
* By default an unoconv process gets launched within the container.
Feature
* Check template for available placeholders (2ac9aeb95016665520bef53c7e3ac0310be9f84f)
* Allow to validate docx template on upload (de810446fbec2ffe610cda4f9cb12be34b5bdbb5)
Fix
* Make sure port is always printed as string (dd8f34b93a9f3b279fa8e99b1b8ba3d8e1d582fb)
Documentation
* Extended user guide (09f0393ec7fe40513fcd47473272a09cf0a294d3)