Update dependencies for opal 0.7.0

Author: adambeynon

Gemfile

@@ -1,5 +1,2 @@
 source 'https://rubygems.org'
 gemspec
-
-gem 'opal',       github: 'opal/opal'
-gem 'opal-rspec', github: 'opal/opal-rspec'

opal-jquery.gemspec

@@ -15,8 +15,8 @@ Gem::Specification.new do |s|
   s.test_files     = `git ls-files -- {test,spec,features}/*`.split("\n")
   s.require_paths  = ['lib']
 
-  s.add_runtime_dependency 'opal', '~> 0.7.0.beta3'
-  s.add_development_dependency 'opal-rspec', '~> 0.4.0.beta4'
+  s.add_runtime_dependency 'opal', '~> 0.7.0'
+  s.add_development_dependency 'opal-rspec', '~> 0.4.0'
   s.add_development_dependency 'yard'
   s.add_development_dependency 'rake'
 end