new  settings with jersey 1.18.1 in classpath
fixes some api flaws
- changes all parameters with name "type" to "contentType"
- adds some annotations for swagger
do not touch the edoweb index in a test
add variable regal-api.namespace
- sets a comma-separated list of indexes that will be initialized
with the elasticsearch mapping
new mapping includes issues and articles
    - fixes EDOZWO-375
allows to index an object to an arbitrary index
Play2 Templates for Html
- Use play2 templates for html output
- extend and complete .regal output
- change project compliance to Java 1.8
Various
- fix a typo in Node.hashCode()
- unify naming of test classes