More work done

Conflicts:
	documentation/src/main/asciidoc/contributing/chapter-4-API_Commons_and_Core.adoc
	documentation/src/main/asciidoc/contributing/chapter-5-Running_and_Writing_Tests.adoc
	documentation/src/main/asciidoc/contributing/chapter-6-Helping_Others_Out.adoc
	documentation/src/main/asciidoc/contributing/chapter-7-Adding_Configuration.adoc
Remove superfluous files
Remove superfluous files