Bump wukong-hadoop to 0.2.0, fix deprecation warnings

Change-Id: I61161789c66aa92ddd57674a97affa354964aef3

lib/wonderdog/version.rb

@@ -1,3 +1,3 @@
 module Wonderdog
-  VERSION = '0.1.1'
+  VERSION = '0.2.0'
 end

spec/spec_helper.rb

@@ -21,7 +21,7 @@ def root
 
   def hadoop_runner *args, &block
     runner(Wukong::Hadoop::HadoopRunner, 'wu-hadoop', *args) do
-      stub!(:execute_command!)
+      stub(:execute_command!)
       instance_eval(&block) if block_given?
     end
   end

spec/wonderdog/hadoop_invocation_override_spec.rb

@@ -8,7 +8,7 @@
   let(:es_complex) { hadoop_runner('regexp',  'count', input: 'es://the_index/the_map', output: 'es:///the_index/the_map', es_query: '{"hi": "there"}', es_request_size: 1000, es_index_field: 'ID', map_speculative: true, reduce_speculative: true) }
 
   context "passing necessary jars to Hadoop streaming" do
-    before  { Dir.stub!(:[]).and_return(["/lib/dir/elasticsearch.jar"], ["/lib/dir/wonderdog.jar"]) }
+    before  { Dir.stub(:[]).and_return(["/lib/dir/elasticsearch.jar"], ["/lib/dir/wonderdog.jar"]) }
     context "when not given explicit jars" do
       context "and not interacting with Elasticsearch" do
         it "doesn't add jars" do

wonderdog.gemspec

@@ -28,5 +28,5 @@ EOF
   gem.test_files    = gem.files.grep(/^spec/)
   gem.require_paths = ['lib']
 
-  gem.add_dependency('wukong-hadoop', '0.1.1')
+  gem.add_dependency('wukong-hadoop', '0.2.0')
 end