Fix admin URL logic
Restrict plugin to be network only
Allow for a 30 second delta in asserting schedule time
Merge pull request #559 from humanmade/issue-559

Multisite admin menu in wrong place
Merge branch 'master' into issue-522
Merge pull request #567 from humanmade/issue-567

Tests for setting schedules are failing
Merge branch 'master' into issue-522