Bump opal-rspec version

Author: elia

opal-jquery.gemspec

@@ -16,7 +16,7 @@ Gem::Specification.new do |s|
   s.require_paths  = ['lib']
 
   s.add_runtime_dependency 'opal', '~> 0.7.0.dev'
-  s.add_development_dependency 'opal-rspec', '~> 0.4.0.beta1'
+  s.add_development_dependency 'opal-rspec', '~> 0.4.0.beta2'
   s.add_development_dependency 'yard'
   s.add_development_dependency 'rake'
 end