Version 1.2.62 released

Add methods in the ResourceLoader and the ResourceUILoader to use a Class or an Object to get the ClassLoader
Add a static method in the ResourceLoader and the ResourceUILoader to use the ClassLoader of the caller class
Fix the getAbsoluteURL sometimes not putting the "/" character at the beginning of the converted absolute path
Add a method in the FileUtilities class to return the set of file system root names
Fix the getAbsoluteURL method which may not return a correct result if the path starts with a root name
Add new methods in the FileUtilities2 class to specify if redirects can be followed when the URL is accessed