Merge branch 'ruby-2-1-8' into 'master'

Update ruby to 2.1.8 and git to 2.6.2

Fixes #1045 

See merge request !597

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: '2.1.7'
+override :ruby, version: '2.1.8', source: { md5: '091b62f0a9796a3c55de2a228a0e6ef3' }
 override :rubygems, version: 'v2.5.1'
 override :'chef-gem', version: '12.5.1'
 override :cacerts, version: '2015.10.28', source: { md5: '6f41fb0f0c4b4695c2a6296892278141' }

config/software/git.rb

@@ -17,14 +17,14 @@
 #
 
 name "git"
-default_version "2.6.1"
+default_version "2.6.2"
 
 dependency "zlib"
 dependency "openssl"
 dependency "curl"
 
 source :url => "https://www.kernel.org/pub/software/scm/git/git-#{version}.tar.gz",
-       :md5 => "4c62ee9c5991fe93d99cf2a6b68397fd"
+       :md5 => "da293290da69f45a86a311ad3cd43dc8"
 
 relative_path "git-#{version}"