cpu usage
aggregate limit from config
aggregate limit from config
Merge branch 'github.webgeist/master'

Conflicts:
	config/default_tables.sql
	config/indexes.sql
	src/Pinboard/Command/AggregateCommand.php
	views/live.html.twig
add migration
Merge branch 'master' into webgeist-master

Conflicts:
	views/server.html.twig
bug fixes