2918 update script and gold

Prevent empty case or datasource when tagging artifacts as bad

cleanup AbstractAbstractFileNode

fix compiler warnings, make one Anonymous inner class into a lambda

# Conflicts:
#	Core/src/org/sleuthkit/autopsy/datamodel/AbstractAbstractFileNode.java
#	Core/src/org/sleuthkit/autopsy/datamodel/Bundle.properties

1936 extension column in results table

Move the Central Repository in Core

use NbBundle.Messages annotation instead of Bundle.properties file

2915 modify examiner gui

2885 Last Accessed time now sourced from last accessed attr instead of modified

2884 examiner jtable getColumnClass to return Date class for date cols

2663 removed PleasewaitNodeListener as it appears to be redundant

Handling potential StackOverflowError coming out of Matcher.find() (2700)

2918: After Raman's update for artifacts as content and attachments as children, script will check if the object is this type to avoid fetch parent_path from tsk_files table.