zipruby -> rubyzip

Implies ending support for < 1.9.2, so 1.8.7 has been removed from CI.
Rubocopify
Merge pull request #7 from jawspeak/rubyzip

Rubyzip. thanks tamird!
upgrade to rubyzip 1.1.1
Convert specs to RSpec 2.14.8 syntax with Transpec

This conversion is done by Transpec 1.10.3 with the following command:
    transpec

* 32 conversions
    from: obj.should
      to: expect(obj).to

* 6 conversions
    from: > expected
      to: be > expected

* 6 conversions
    from: obj.should_not
      to: expect(obj).not_to

* 2 conversions
    from: == expected
      to: eq(expected)

* 1 conversion
    from: >= expected
      to: be >= expected
Update for new rubocop opinions
force new rspec syntax
Merge branch 'master' of git://github.com/jawspeak/ruby-docx-templater

Conflicts:
	lib/docx_templater/docx_creator.rb