RSpec modernization fixes.

spec/rack/livereload/body_processor_spec.rb

@@ -15,7 +15,7 @@ describe Rack::LiveReload::BodyProcessor do
     end
 
     it 'responds false when no head tag' do
-      regex.match("<header></header>").should be_false
+      regex.match("<header></header>").should be_falsey
     end
   end
 

spec/rack/livereload/processing_skip_analyzer_spec.rb

@@ -14,7 +14,7 @@ describe Rack::LiveReload::ProcessingSkipAnalyzer do
 
   describe '#skip_processing?' do
     it "should skip processing" do
-      subject.skip_processing?.should be_true
+      subject.skip_processing?.should be_truthy
     end
   end
 

spec/rack/livereload_spec.rb

@@ -7,7 +7,9 @@ describe Rack::LiveReload do
 
   subject { middleware }
 
-  its(:app) { should == app }
+  it 'should be an app' do
+    middleware.app.should be == app
+  end
 
   let(:env) { {} }
   let(:options) { {} }
@@ -20,7 +22,7 @@ describe Rack::LiveReload do
     end
 
     it 'should return the js file' do
-      middleware._call(env).should be_true
+      middleware._call(env).should be_truthy
     end
   end
 end