roll with latest (spec) dependencies

Gemfile

@@ -1,4 +1,4 @@
-source :rubygems
+source "https://rubygems.org"
 
 gemspec :name => "therubyrhino"
 
@@ -16,3 +16,6 @@ group :test do
   end
   gem 'less', '>= 2.2.1', :require => nil
 end
+
+gem 'rake', :group => :development
+gem 'jruby-openssl', :group => :development

spec/spec_helper.rb

@@ -1,8 +1,11 @@
-require 'bundler/setup'
-
 require 'rhino'
 
-require 'mocha'
+begin
+  require 'mocha/api'
+rescue LoadError
+  require 'mocha'
+end
+
 require 'redjs'
 
 module RedJS

therubyrhino.gemspec

@@ -20,8 +20,6 @@ Gem::Specification.new do |s|
 
   s.add_dependency "therubyrhino_jar", '>= 1.7.3'
   
-  s.add_development_dependency "rake"
-  s.add_development_dependency "rspec", "~> 2.10"
-  s.add_development_dependency "mocha"
-  s.add_development_dependency "jruby-openssl"
+  s.add_development_dependency "rspec", "~> 2.13.0"
+  s.add_development_dependency "mocha", "~> 0.13.3"
 end