Merge pull request #27 from ByteInternet/configure-unicorn-socket

Make gunicorn socket configurable
Use '@var' in templates to access variables
Merge pull request #28 from freyes/fix-variable-access-warning

Use '@var' in templates to access variables
fix deprecated variable access in template
Merge pull request #29 from Eyjafjallajokull/master

Fix deprecated variable access in template
Prevent server restarts when hash order changes

Ruby 1.8 has no guarenteed hash ordering. This makes Puppet restart gunicorn unexpectantly every now and then. By explicitly ordering the hash, this problem is solved.