Merge branch 'ruby-2.1.7' into 'master'

Use ruby 2.1.7

Fixes #837 

See merge request !504

CHANGELOG.md

@@ -9,6 +9,7 @@ omnibus-gitlab repository.
 - Moved docker build to omnibus-gitlab repository 9757575747c9d78e355ecd76b11dd7b9dc4d94b5
 - Using sv to check for service status e7b00e4a5d8f0195d9a3f59a6d398a6d0dba3773
 - Set kernel.sem for postgres connections dff749b36a929f9a7dfc128b60f3d53cf2464ed8
+- Use ruby 2.1.7
 
 8.0.4(Unreleased)
 

config/projects/gitlab.rb

@@ -45,7 +45,7 @@ install_dir     "/opt/gitlab"
 build_version   Omnibus::BuildVersion.new.semver
 build_iteration Gitlab::BuildIteration.new.build_iteration
 
-override :ruby, version: '2.1.6'
+override :ruby, version: '2.1.7'
 override :rubygems, version: '2.2.5', source: { md5: "7701b5bc348d8da41a511ac012a092a8" }
 override :'chef-gem', version: '12.4.1'
 override :cacerts, version: '2015.09.02', source: { md5: '3e0e6f302bd4f5b94040b8bcee0ffe15' }