Tag lib specs

spec/lib/ci/ansi2html_spec.rb

spec/lib/ci/charts_spec.rb

spec/lib/ci/gitlab_ci_yaml_processor_spec.rb

spec/lib/disable_email_interceptor_spec.rb

spec/lib/extracts_path_spec.rb

spec/lib/file_size_validator_spec.rb

spec/lib/git_ref_validator_spec.rb

spec/lib/gitlab/asciidoc_spec.rb

spec/lib/gitlab/auth_spec.rb

spec/lib/gitlab/backend/grack_auth_spec.rb

spec/lib/gitlab/backend/shell_spec.rb

spec/lib/gitlab/bitbucket_import/client_spec.rb

spec/lib/gitlab/bitbucket_import/project_creator_spec.rb

spec/lib/gitlab/closing_issue_extractor_spec.rb

spec/lib/gitlab/color_schemes_spec.rb

spec/lib/gitlab/database_spec.rb

spec/lib/gitlab/diff/file_spec.rb

spec/lib/gitlab/diff/parser_spec.rb

spec/lib/gitlab/email/attachment_uploader_spec.rb

spec/lib/gitlab/email/receiver_spec.rb