Fix deprecation warnings from gemspec + bundler

Gemfile

@@ -1,10 +1,2 @@
 source :rubygems
-
-# http://www.modrails.com/documentation/Users%20guide%20Nginx.html#bundler_support
-gem "bundler"
-
-group :development do
-  gem "yard", "0.5.8",  :require => false
-  gem "rake",  "= 0.8.7"
-  gem "rspec", "= 1.3.0"
-end
+gemspec

Gemfile.lock

@@ -1,33 +1,18 @@
---- 
-dependencies: 
-  rake: 
-    group: 
-    - :development
-    version: = 0.8.7
-  rspec: 
-    group: 
-    - :development
-    version: = 1.3.0
-  yard: 
-    group: 
-    - :development
-    version: = 0.5.8
-    require: []
+PATH
+  remote: .
+  specs:
+    simplerrd (0.11.2)
 
-  bundler: 
-    group: 
-    - :default
-    version: ">= 0"
-specs: 
-- rake: 
-    version: 0.8.7
-- bundler: 
-    version: 0.9.26
-- rspec: 
-    version: 1.3.0
-- yard: 
-    version: 0.5.8
-hash: e3487ba8f1b96d18fc59da6ec202701e2c376c37
-sources: 
-- Rubygems: 
-    uri: http://gemcutter.org
+GEM
+  remote: http://rubygems.org/
+  specs:
+    rake (0.8.7)
+    rspec (1.3.0)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  rake (= 0.8.7)
+  rspec (= 1.3.0)
+  simplerrd!

Rakefile

@@ -8,7 +8,7 @@ require 'spec/rake/spectask'
 Spec::Rake::SpecTask.new(:spec) do |spec|
   spec.libs << 'lib' << 'spec'
   spec.spec_files = FileList['spec/**/*_spec.rb']
-  spec.spec_opts = ["--format", "specdoc", "--colour"]
+  spec.spec_opts = ["--color"]
 end
 
 Spec::Rake::SpecTask.new(:rcov) do |spec|

simplerrd.gemspec

@@ -1,7 +1,5 @@
 # encoding: utf-8
 
-require 'bundler'
-
 Gem::Specification.new do |s|
   s.name = "simplerrd"
   s.version = File.read("VERSION").strip
@@ -27,5 +25,6 @@ Gem::Specification.new do |s|
   s.files = Dir['{lib,spec,examples}/**/*'] + %w(simplerrd.gemspec VERSION Rakefile README.markdown LICENSE Gemfile Gemfile.lock)
   s.test_files = Dir['spec/**/*']
 
-  s.add_bundler_dependencies
+  s.add_development_dependency('rake', '0.8.7')
+  s.add_development_dependency('rspec', '1.3.0')
 end