Restrict endpoints to only one outgoing route
Fix endpoint validation
Let endpoints keep track of their connections
Remove ugly alerts
Fix failing tests
Improve tests
Use alert to signal incorrect component type
Remove alerts and logs
Merge pull request #22 from praekelt/feature/issue-22-endpoint-connections

Endpoints can have multiple input connections but only one output
Merge branch 'develop' into feature/issue-26-router-default-node
Add DOM cleanup in afterEach