OPENNLP-218 Added API section. Fixed a couple of typos. Replaced programmlisting with screen when for the cases where it does not contain an actual programm listing. Some updated for OPENNLP-402 for screen listings. Thanks to Aliaksandr Autayeu for providing a patch.
OPENNLP-218 Added API section. Fixed a couple of typos. Replaced programmlisting with screen when for the cases where it does not contain an actual programm listing. Some updated for OPENNLP-402 for screen listings. Thanks to Aliaksandr Autayeu for providing a patch.

git-svn-id: 924c1ce098d5c0cf43d98e06e1f2b659f3b417ce@1208363 13f79535-47bb-0310-9956-ffa450edef68

jzonthemtn/opennlp,jzonthemtn/opennlp,ragerri/opennlp,ragerri/opennlp,jzonthemtn/opennlp,apache/opennlp,ragerri/opennlp,apache/opennlp,apache/opennlp