Merge nabu and gleaner into single codebase

[valentinedwv]

Need to make some common config, should we just merge the two

• {cmd} summon
• {cmd} mill
• {cmd} uploadGraph
• {cmd} pruneGraph
• {cmd} config (init|generate)
• {cmd} setup
• {cmd} stats
• {cmd} tool {uploadOne, identifier, etc)

wiki page for discussion: https://github.com/gleanerio/gleaner/wiki/Discussion-for-merging-Gleaner-and-Nabu