Version 0.2.10

* Updated 'redisio' from '2.2.3' to '2.2.4'
* Updated 'apt' from '2.4.0' to '2.6.0'
* Updated 'nginx' from '2.7.0' to '2.7.4'
* Replaced 'nginx-extra' with 'nginx-full' (as it causes 'shared memory' issue in some envs)
* Set 'varnish' cookbook to use bitzesty's fork
* Disabled using of custom 'storage_file' in bz-webserver/attributes/varnish.rb for time being (see https://github.com/rackspace-cookbooks/varnish/issues/39)