Add a chunker training api section
-----------------------------------
Key: OPENNLP-218
URL: https://issues.apache.org/jira/browse/OPENNLP-218
Project: OpenNLP
Issue Type: Improvement
Components: Chunker, Documentation
Reporter: Jörn KottmannThe chunker documentation currently lacks a sections which describes how to train the chunker via its API. -- This message is automatically generated by JIRA. For more information on JIRA, see: http://www.atlassian.com/software/jira
