Update README with new travis URL
Tarball packages. Homogenized init. Common defaults.
add recommended options to fpm for centos, which should negate the need to set executable
Merge pull request #1103 from fayep/pkgbuilding

Add tarball based packages. Fix environment passing in bin/logstash.
Merge pull request #1107 from ciarand/patch-1

Update README with new travis URL
- Remove link to Travis since we haven't used that in ages
- Use 'Logstash' capitalization
Merge pull request #1119 from jordansissel/readme-fixes

- Remove link to Travis since we haven't used that in ages
Merge git://github.com/logstash/logstash