Merge branch 'update_gitignore' into 'master'

Use absolute paths in .gitignore

See merge request !4335

.gitignore

@@ -4,46 +4,46 @@
 .bundle
 .chef
 .directory
-.envrc
-.gitlab_shell_secret
+/.envrc
+/.gitlab_shell_secret
 .idea
-.rbenv-version
+/.rbenv-version
 .rbx/
-.ruby-gemset
-.ruby-version
-.rvmrc
+/.ruby-gemset
+/.ruby-version
+/.rvmrc
 .sass-cache/
-.secret
-.vagrant
-.byebug_history
-Vagrantfile
-backups/*
-config/aws.yml
-config/database.yml
-config/gitlab.yml
-config/gitlab_ci.yml
-config/initializers/rack_attack.rb
-config/initializers/smtp_settings.rb
-config/initializers/relative_url.rb
-config/resque.yml
-config/unicorn.rb
-config/secrets.yml
-config/sidekiq.yml
-coverage/*
-db/*.sqlite3
-db/*.sqlite3-journal
-db/data.yml
-doc/code/*
-dump.rdb
-log/*.log*
-nohup.out
-public/assets/
-public/uploads.*
-public/uploads/
-shared/artifacts/
-rails_best_practices_output.html
+/.secret
+/.vagrant
+/.byebug_history
+/Vagrantfile
+/backups/*
+/config/aws.yml
+/config/database.yml
+/config/gitlab.yml
+/config/gitlab_ci.yml
+/config/initializers/rack_attack.rb
+/config/initializers/smtp_settings.rb
+/config/initializers/relative_url.rb
+/config/resque.yml
+/config/unicorn.rb
+/config/secrets.yml
+/config/sidekiq.yml
+/coverage/*
+/db/*.sqlite3
+/db/*.sqlite3-journal
+/db/data.yml
+/doc/code/*
+/dump.rdb
+/log/*.log*
+/nohup.out
+/public/assets/
+/public/uploads.*
+/public/uploads/
+/shared/artifacts/
+/rails_best_practices_output.html
 /tags
-tmp/
-vendor/bundle/*
-builds/*
-shared/*
+/tmp/*
+/vendor/bundle/*
+/builds/*
+/shared/*