style(*): satisfy govet, golint and gofmt
Merge branch 'release/v0.1.5' into develop
chore(app): splitted application code from hivy lib
feat(app): delayed workers available for endpoints
fix(worker/juju.go): fix interface to slice, design

rakefile for app/
scripts move to app/
feat(app): proxy, serf monitoring, ssh access to hivelab
chore(app): more modular juju interface, provider abstraction
Merge branch 'feature/connect-juju' into develop