andi/simple-navigation — pull request #124 by voxik (2013-03-12 08:59:09+00:00)
Title: Fix compatibity with RSpec 2.12

This fixes several test failures with RSpec 2.12, such as bellow:
```
1) SimpleNavigation::Helpers active_navigation_item active item_container for desired level exists container has selected item
Failure/Error: it {@controller.active_navigation_item(:level => 2).should == @subnav1_item}
ArgumentError:
wrong number of arguments (1 for 0)
# /usr/share/gems/gems/rspec-expectations-2.12.1/lib/rspec/matchers/operator_matcher.rb:67:in `uses_generic_implementation_of?'
# /usr/share/gems/gems/rspec-expectations-2.12.1/lib/rspec/matchers/operator_matcher.rb:34:in `block in use_custom_matcher_or_delegate'
# /builddir/build/BUILD/rubygem-simple-navigation-3.10.0/usr/share/gems/gems/simple-navigation-3.10.0/spec/lib/simple_navigation/rendering/helpers_spec.rb:92:in `block (5 levels) in '
```