Merge pull request #609 from rcordovano/autopsy-release-4.1.0

bindings/java/src/org/sleuthkit/datamodel/AbstractFile.java

bindings/java/src/org/sleuthkit/datamodel/DerivedFile.java

bindings/java/src/org/sleuthkit/datamodel/Directory.java

bindings/java/src/org/sleuthkit/datamodel/File.java

bindings/java/src/org/sleuthkit/datamodel/FsContent.java

bindings/java/src/org/sleuthkit/datamodel/LayoutFile.java

bindings/java/src/org/sleuthkit/datamodel/LocalFile.java

...gs/java/src/org/sleuthkit/datamodel/VirtualDirectory.java