Add line sequence number for subsequent ordering in logstash
Add message number field to provide proper ordering for multiple messages with common timestamp
Fix syntax error and remove previous attempt at log sequencing
Create 'ninefold' branch and increment so existing nodes update
Support for multi-line events.

Conflicts:
	beaver/config.py
Moved multiline_merge function to utils.py.

Conflicts:
	beaver/worker/tail.py
	beaver/worker/worker.py