Adding Contributing file
added 'in progress' for logstash version 1.2.x

Change-Id: I83aeaba975ccdf98df6a610e2cd236d3f76afec8
Merge pull request #87 from rtoma/tbd

added 'in progress' for logstash version 1.2.x
add short input/output example
add short input/output example
Merge pull request #89 from xorpaul/input/output_example

Add small input/output examples
http download of jar should require $jardir
possible fix for the missing defaults file
Trying to solve issue with init file and jar file

In the init files i assumed an instance name would be provided which isn't always the case.
Now i hope to have it solved
can't override the name variabel of course
add ability to install a logstash config file
Merge pull request #93 from jlambert121/conffile

add ability to install a logstash config file
Merge pull request #90 from maxamg/master

http download of jar should require $jardir
add tests for config file
Update files for release
Manage the configdir just in case
Add the ability to specify a local jar file for the logstash binary to install (ex: file:/my/local/path/to/logstash.jar)
Adding a test and some doc
Merge pull request #99 from exo-puppet/feature/local-file-install

Add the ability to specify a local jar file for logstash package to install
Honour the NICE setting

Either set in /etc/init.d/logstash-agent, or in
/etc/default/logstash-agent.

See http://man.he.net/man8/start-stop-daemon