Remove unused docs
Use 'make package' for building rpms/debs for contrib
Dont need 'build time' in the iteration
Release/upgrade notes for 1.4.0
Add link to release notes and changelog
Version bump
Version bump
Add s3 upload
Merge branch '1.4.x' of github.com:elasticsearch/logstash into 1.4.x
Update changelog
Use %VERSION% placeholder
Merge branch '1.4.x'