* use logger in dep graph
* use logger in dep graph
* use logger in dep graph
* only query for AUR packages once per tier. useful for rpc
* fix performance regression for ros-melodic
* prefer name search first
* implement needed at target gathering
* set default config
* fixup tests for needed
* make config into parameter
* test(new engine): local install test
* test(keys): fix test keys
* complete integration test for local install
* add simple mising mechanism