Rakefile update

Rakefile

@@ -1,35 +1,19 @@
-# encoding: utf-8
-
 require 'rubygems'
 require 'bundler'
+require 'rake'
+require 'rspec/core'
+require 'rspec/core/rake_task'
+
 begin
   Bundler.setup(:default, :development)
 rescue Bundler::BundlerError => e
   $stderr.puts e.message
   $stderr.puts "Run `bundle install` to install missing gems"
   exit e.status_code
 end
-require 'rake'
 
-require 'jeweler'
-Jeweler::Tasks.new do |gem|
-  # gem is a Gem::Specification... see http://docs.rubygems.org/read/chapter/20 for more options
-  gem.name = "aspector"
-  gem.homepage = "http://github.com/gcao/aspector"
-  gem.license = "MIT"
-  gem.summary = %Q{Aspect Oriented Ruby Programming}
-  gem.description = %Q{}
-  gem.email = "gcao99@gmail.com"
-  gem.authors = ["Guoliang Cao"]
-  # dependencies defined in Gemfile
-end
-Jeweler::RubygemsDotOrgTasks.new
-
-require 'rspec/core'
-require 'rspec/core/rake_task'
 RSpec::Core::RakeTask.new(:spec) do |spec|
   spec.pattern = FileList['spec/**/*_spec.rb']
 end
 
-task :default => :spec
-
+task default: :spec