* master:
  [Spec] Rebuild integration test fixtures.
  Use a different resources-to-copy.txt file for each target
  Grammar fix in CONTRIBUTING file
  Made SO link to our search query
  [CONTRIBUTING] Add back links to ML and SO. Thanks @secboffin.
  [CONTRIBUTING] Make it even clearer/simpler. Thanks to @Manfred.
  [CONTRIBUTING] Try to be as clear as possible about do's and don'ts.

Conflicts:
	spec/integration/install_add_pod/after/Pods/Pods.xcodeproj.yaml
	spec/integration/install_add_pod/after/execution_output.txt
	spec/integration/install_custom_workspace/after/Pods/Pods.xcodeproj.yaml
	spec/integration/install_custom_workspace/after/execution_output.txt
	spec/integration/install_external_source/after/Pods/Pods.xcodeproj.yaml
	spec/integration/install_external_source/after/SampleApp.xcodeproj.yaml
	spec/integration/install_external_source/after/execution_output.txt
	spec/integration/install_local_source/after/Pods/Pods.xcodeproj.yaml
	spec/integration/install_local_source/after/SampleApp.xcodeproj.yaml
	spec/integration/install_multiple_targets/after/Pods/Pods.xcodeproj.yaml
	spec/integration/install_multiple_targets/after/SampleApp.xcodeproj.yaml
	spec/integration/install_multiple_targets/after/execution_output.txt
	spec/integration/install_new/after/Pods/Pods.xcodeproj.yaml
	spec/integration/install_new/after/execution_output.txt
	spec/integration/install_podfile_callbacks/after/Pods/Pods.xcodeproj.yaml
	spec/integration/install_podfile_callbacks/after/execution_output.txt
	spec/integration/install_podspec/after/Pods/Pods.xcodeproj.yaml
	spec/integration/install_podspec/after/execution_output.txt
	spec/integration/install_remove_pod/after/Pods/Pods.xcodeproj.yaml
	spec/integration/install_spec_callbacks/after/Pods/Pods.xcodeproj.yaml
	spec/integration/install_spec_callbacks/after/execution_output.txt
	spec/integration/install_subspecs/after/Pods/Pods.xcodeproj.yaml
	spec/integration/install_subspecs/after/SampleApp.xcodeproj.yaml
	spec/integration/install_subspecs/after/execution_output.txt
	spec/integration/update/after/Pods/Pods.xcodeproj.yaml
	spec/integration/update/after/execution_output.txt