DKPro Core 2.1.0 released

[Richard Eckart de Castilho]

We are pleased to announce the release of

### DKPro Core 2.1.0

a collection of interoperable software components for natural language processing (NLP) based on the Apache UIMA framework version 3.

https://dkpro.github.io/dkpro-core

This is a feature release.

#### Notable changes since DKPro Core 2.0.0

- Added option to export XMI using XML 1.1 to avoid issues with certain characters
- Added option to CoNLL readers to trim off whitespace from field values to avoid users having issues with incidental space characters (default is on)
- Added support for annotator notes in brat format
- Improved speed for writing WebAnno TSV format (backported from WebAnno)
- Fixed a couple of issues with the CoNLL 2012 format
- Fixed default extension for CoNLL-U writer
- Fixed problem in CoNLL-U writer when text contains line breaks
- Fixed problem that LanguageToolChecker did not fill in suggestions
- Fixed setting div type on paragraphs created by CoNLL-U reader

A more detailed overview of the changes in this release can be found [2].

Thanks to all contributors!

When upgrading, please mind that you should not mix different versions of DKPro Core components in your projects - they may not be compatible with each other.

[1] https://github.com/dkpro/dkpro-core/releases/tag/rel%2Fdkpro-core-2.1.0
[2] https://github.com/dkpro/dkpro-core/issues?q=milestone%3A2.1.0