- remove sqlite-db/close! as its not used and didn't make sense to be
used in other electron ns
- remove sqlite-db/connections atom as its not needed
- remove read-graph as its not necessary
- rename cli.persist-graph as its primary purpose has changed
- update effected scripts
and provide a rules var just for db graphs.
Also simplify query-dsl db-graph support as query-dsl/parse-query
doesn't need to know about db graphs for how it's used