[rabbitmq] Depend on Bunny 0.9.2+

It includes connection recovery stability improvements.
Merge pull request #557 from michaelklishin/patch-3

[rabbitmq] Depend on Bunny 0.9.2+
add prctl separately
[rabbitmq] Depend on Bunny 0.9.7+
Merge pull request #560 from michaelklishin/patch-4

[rabbitmq] Depend on Bunny 0.9.7+
added option to trim keys in kv filter
Merge pull request #561 from olej-a/master

added option to trim keys in kv filter
removes doubled :host parameter
fixes the typo in locales
Merge pull request #563 from dkoprov/typo_fix_in_locale

Fixes the typo in locales
Merge pull request #562 from dkoprov/doubled_host_parameter_fix

removes doubled :host parameter
[rabbitmq] Use Bunny 0.9.8+

[Change log](http://blog.rubyrabbitmq.info/blog/2013/07/29/bunny-0-dot-9-8-is-released/)
Merge pull request #564 from michaelklishin/patch-5

[rabbitmq] Use Bunny 0.9.8+
[rabbitmq] Make Bunny and HotBunnies recovery in the output consistent
LOGSTASH-1066 - refactor Windows jar path wrangling into its own method
and call it from both the "if" and "else" branches in expand_path
Merge pull request #570 from jlscott3/LOGSTASH-1066

LOGSTASH-1066 - refactor Windows jar path wrangling into its own method
Merge pull request #567 from michaelklishin/rabbitmq_fix_output_reconnection_on_cruby

[rabbitmq] Make Bunny and HotBunnies recovery in the output consistent
Add a hash evaluation compiler

Syntax supported: somekey, [somekey], [some][nested][thing]
- fix bug in exit reported by irb
- typo