Fix example pod files

examples/objective-c/helloworld/HelloWorld.podspec

@@ -3,13 +3,13 @@ Pod::Spec.new do |s|
   s.version  = "0.0.1"
   s.license  = "New BSD"
 
-  s.ios.deployment_target = "6.0"
-  s.osx.deployment_target = "10.8"
+  s.ios.deployment_target = "7.1"
+  s.osx.deployment_target = "10.9"
 
   # Base directory where the .proto files are.
   src = "../../protos"
 
-  # Directory where the generated files will be place.
+  # Directory where the generated files will be placed.
   dir = "Pods/" + s.name
 
   # Run protoc with the Objective-C and gRPC plugins to generate protocol messages and gRPC clients.
@@ -22,14 +22,14 @@ Pod::Spec.new do |s|
     ms.source_files = "#{dir}/*.pbobjc.{h,m}", "#{dir}/**/*.pbobjc.{h,m}"
     ms.header_mappings_dir = dir
     ms.requires_arc = false
-    ms.dependency "Protobuf", "~> 3.0.0-alpha-3"
+    ms.dependency "Protobuf", "~> 3.0.0-alpha-4"
   end
 
   s.subspec "Services" do |ss|
     ss.source_files = "#{dir}/*.pbrpc.{h,m}", "#{dir}/**/*.pbrpc.{h,m}"
     ss.header_mappings_dir = dir
     ss.requires_arc = true
-    ss.dependency "gRPC", "~> 0.6"
+    ss.dependency "gRPC", "~> 0.11"
     ss.dependency "#{s.name}/Messages"
   end
 end

examples/objective-c/helloworld/Podfile

 source 'https://github.com/CocoaPods/Specs.git'
 platform :ios, '8.0'
 
+pod 'Protobuf', :path => "../../../third_party/protobuf"
+pod 'gRPC', :path => "../../.."
+
 target 'HelloWorld' do
   # Depend on the generated HelloWorld library.
   pod 'HelloWorld', :path => '.'