chg: updated documentation.

Merge pull request #156 from weblyzard/feature/annotation-service

add: generic class allowing to connect to any AnnotationService

removed -SNAPSHOT for release.

Merge pull request #137 from weblyzard/feature/java-examples

Feature/java examples

Merge branch 'master' of github.com:/weblyzard/weblyzard_api

new version: jeremia client supports new argument: sentence_threshold