Protodune tools

• FTSLight - file movement tool using configurable transport mechanisms
• FTSLight3 - file movement tool using FTS3 as the transport mechanism
• declad - Declaration Daemon
• tools - "smaller" tools

• declare_meta.py - script to declare files to MetaCat using DAQ-produced JSON metadata files
• adler32.py - tool to calculate Adler32 checksum on the file contents and add it along with the file size to the file metadata JSON file. Used by the DAQ.