Use ruby 1.9.3 for travis
Restore message reliability as much as possible - only lose a single event on crash (and logstash's buffer of 10 if running in logstash)
Reliability issue was since 0.9 optimisations - clarify in change log
Upload a RHEL init script
Revert "Use ruby 1.9.3 for travis"

This reverts commit 27af2c86700c679b04083c8ea79aa3136f7c0fbc.
Fix startup dependencies to ensure syslog running before log-courier starts