Merge branch 'bump_omnibus-ctl_version' into 'master'

Omnibus-ctl version to 0.3.4.

Fixes #544

See merge request !341

config/projects/gitlab.rb

@@ -45,7 +45,7 @@ build_iteration 1
 override :ruby, version: '2.1.6',  source: { md5: "6e5564364be085c45576787b48eeb75f" }
 override :rubygems, version: '2.2.1'
 override :'chef-gem', version: '11.18.0'
-override :'omnibus-ctl', version: '0.3.3'
+override :'omnibus-ctl', version: '0.3.4'
 override :zlib, version: '1.2.8'
 override :cacerts, version: '2015.04.22', source: { md5: '380df856e8f789c1af97d0da9a243769' }