WL-3708 : Javascript error as it couldn't process newline \n character

'\n' doesn't work in feedback submodule properties files
as the backslash has a special meaning in them (as a sign that there's more
 of the property to come on the next line).
I've put in the Java instead.
Merge pull request #47 from ox-it/WL-3708

WL-3708 : Javascript error from newline \n character in properties file