** Removed unused jms/chat related classes
** Added more logging into materials/createDocument method
** Added findMaterialById method into MaterialController
** Changed RESTService to abstract
** Changed GenericNodePrinter to remote white spaces, tabs and line
breaks from tag names
** Added support for printing doctype into HtmlUtils.printDocument
-method
** Changed TextNodePrinter to use escapeXml instead of escapeHtml4 for
text escaping
** Added permission check into document view
** Changed document viewer to use iframe instead of directly printing
content
** Changed version into 2.1.8-SNAPSHOT
** Updated eclipse settings