DKPro Core 1.9.1 released

[Richard Eckart de Castilho]

We are pleased to announce the release of

### DKPro Core 1.9.1

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

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

This is a bug-fix and minor feature release.

#### Notable changes since DKPro Core 1.9.0

- Included OMTD-SHARE metadata
- Improved mapping capabilities and robustness of the BratReader
- Added option to mark split tokens in CamelCasTokenSegmenter
- Fixed hash for CC-BY 4.0 license in dataset API
- Fixed NPE in CoNLL 2012 reader
- Upgrade to LanguageTool 4.1
- Upgrade to ICU4J 61.1
- Upgrade to JTok 2.1.18
- Upgrade to OpenNLP 1.8.4

A more detailed overview of the changes in this release can be found here:

https://github.com/dkpro/dkpro-core/issues?q=milestone%3A1.9.1

Thanks for contributions go to: @nilsreiter, @mjunsilo

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.