pkg/debian: Fix versioning if upstream is dev/rc

  * Ensure a clean upgrade path on debian:
   * Change the upstream version from 'x.x.x.dev' and 'x.x.x.rcx' to 'x.x.x~dev' and 'x.x.x~rcx'
   * Use UTC instead of local time in the debian version
Update logstash.spec
Update logstash.spec

Removed the disabled java, should be enabled again.
Update logstash.spec

* Added a source5 with a default logstash.conf since logstash does not start without a config.

* Added buildarch so it can be build on i386
Update logstash.init

Fixed the init.d script.

Example taken from: https://github.com/mhorbul/logstash-rpm/
Update logstash.sysconfig

Taken from: https://github.com/mhorbul/logstash-rpm/tree/master/SOURCES
Create logstash.wrapper

Fixed the problem with the plugins as this no longer works.

Original file taken from:
https://github.com/piojo/logstash-rpm/blob/lsb/SOURCES/logstash.wrapper
Create logstash.conf

Added a default "Logstash.conf" as example and so logstash can actually run once you compile the rpm.
Added optional username and password to elasticsearch_http output plugin. Fixes LOGSTASH-902.
Setup a periodic filter flush thread.

This got lost in 9542246 and unbreaks LOGSTASH-1284.
Add elapsed filter
Further validate date filter within register method
fix handling of chuncked gelf messages
test for reading chunked gelf messages
Merge branch 'master' of https://github.com/Syntigo-nv/logstash
fix handling of chuncked gelf messages
test for reading chunked gelf messages
Merge branch '1.2.1.fixes' of https://github.com/Syntigo-nv/logstash
Merge branch 'master' of https://github.com/logstash/logstash
Update logstash.spec

* Wed Okt 23 2013 sjir@basefarm.no 1.2.2-1
- Update logstash version to 1.2.2-1