Add HTTP CORS Preflight Headers
Increase the deadline for node-cleaning
Crude rate limiter to avoid using lots of RAM
Fix gorethink cursors leak
Bump version to 1.9.0
Bump version to 1.8.1
Merge branch 'develop'
Fix race condition panic if listeners fail their binding
Report node listening state
Merge branch 'develop' of github.com:jaracil/nexus into develop