Merge branch 'core-updates'

gnu: Add ruby-http-cookie.

* gnu/packages/ruby.scm (ruby-http-cookie): New variable.

gnu: Add ruby-domain-name.

* gnu/packages/ruby.scm (ruby-domain-name): New variable.

gnu: Add ruby-unf.

* gnu/packages/ruby.scm (ruby-unf): New variable.

gnu: Add ruby-shoulda.

* gnu/packages/ruby.scm (ruby-shoulda): New variable.

gnu: Add ruby-shoulda-matchers-2.

* gnu/packages/ruby.scm (ruby-shoulda-matchers-2): New variable.

gnu: Add ruby-shoulda-matchers.

* gnu/packages/ruby.scm (ruby-shoulda-matchers): New variable.

gnu: Add ruby-shoulda-context.

* gnu/packages/ruby.scm (ruby-shoulda-context): New variable.

gnu: Add ruby-sqlite3.

* gnu/packages/ruby.scm (ruby-sqlite3): New variable.

gnu: Add ruby-mime-types.

* gnu/packages/ruby.scm (ruby-mime-types): New variable.

gnu: Add ruby-fivemat.

* gnu/packages/ruby.scm (ruby-fivemat): New variable.

gnu: Add ruby-mime-types-data.

* gnu/packages/ruby.scm (ruby-mime-types-data): New variable.

gnu: Add ruby-minitest-rg.

* gnu/packages/ruby.scm (ruby-minitest-rg): New variable.

gnu: Add ruby-minitest-bonus-assertions.

* gnu/packages/ruby.scm (ruby-minitest-bonus-assertions): New variable.

gnu: Add ruby-minitest-moar.

* gnu/packages/ruby.scm (ruby-minitest-moar): New variable.

gnu: Add ruby-minitest-pretty-diff.

* gnu/packages/ruby.scm (ruby-minitest-pretty-diff): New variable.

gnu: Add ruby-minitest-focus.

* gnu/packages/ruby.scm (ruby-minitest-focus): New variable.

gnu: Add ruby-turn.

* gnu/packages/ruby.scm (ruby-turn): New variable.

gnu: Add ruby-ttfunk.

* gnu/packages/ruby.scm (ruby-ttfunk): New variable.

gnu: Add ruby-ascii85.

* gnu/packages/ruby.scm (ruby-ascii85): New variable.