XD-201
Fix xd-singlenode scripts
  Made the script to use APP_HOME so that script can be run relatively
  Fixed .bat file by specifying commandline argument directly at the java invocation
XD-200 removed redis transport dependency from tap
XD-167 - Generate reference doc from Wiki

XD-167 - Add dist+docsZip gradle task
Merge pull request #49 from ghillert/XD-167

* ghillert-XD-167:
  XD-167 - Generate reference doc from Wiki
XD-197 Add Groovy Script processor module

- Add processor module invoked with:
"script --location=foo.groovy --properties-location=my.properties"

- Add properties-location to filter and transform modules

- Add script refresh-check-delay to filter and transform

- Filter warning message from PropertiesFactoryBean
if no properties-location specified