The -fobjc-arc flag should only be added when explicitly requested in 
the Podfile and the spec requires arc.

* master: (46 commits)
  Use Kicker from master
  [Changelog] Fixed crash due to Podfile.lock containing multiple version requirements.
  [Integration] Update fixtures
  * Truncating the resources-to-copy.txt file if it already exists.
  [Travis] Attempt to fix 1.9.3 Issues
  Remove Rake dependency
  [Specs] Remove old uneeded integration spec
  [Core] Update for recent changes
  [Bundler] Add Gemfile.lock to source control and update Bundler on release
  Remove Octokit dep 2
  [WIP] Remove Octokit dep
  Fix missing space in output.
  english fix for 'Podfile does not contain any dependency'
  Release 0.20.2
  [Sandbox] Allow sandbox-pod to execute any tool inside a rbenv prefix.
  Bump to 0.20.2
  [CHANGELOG] Cleanup.
  [Spec] Update integrations specs for 0.20.2
  [CHANGELOG] Update for 0.20.2
  [Sandbox] Allow any tool inside the Xcode.app bundle to be executed.
  ...

Conflicts:
	spec/integration/install_add_pod/after/Pods/Pods-resources.sh
	spec/integration/install_custom_workspace/after/Podfile.lock
	spec/integration/install_custom_workspace/after/Pods/Manifest.lock
	spec/integration/install_external_source/after/Pods/Pods-resources.sh
	spec/integration/install_local_source/after/Pods/Pods-resources.sh
	spec/integration/install_multiple_targets/after/Pods/Pods-SampleApp_2-resources.sh
	spec/integration/install_multiple_targets/after/Pods/Pods-resources.sh
	spec/integration/install_multiple_targets/after/Pods/Pods-test-resources.sh
	spec/integration/install_new/after/Pods/Pods-resources.sh
	spec/integration/install_podfile_callbacks/after/Pods/Pods-resources.sh
	spec/integration/install_podspec/after/Pods/Pods-resources.sh
	spec/integration/install_remove_pod/after/Pods/Pods-resources.sh
	spec/integration/install_spec_callbacks/after/Pods/Pods-resources.sh
	spec/integration/install_subspecs/after/Podfile.lock
	spec/integration/install_subspecs/after/Pods/Manifest.lock
	spec/integration/update/after/Pods/Pods-resources.sh
	spec/integration_spec.rb
	spec/unit/installer_spec.rb

Group all related specs in the Analyzer.
Make sure to add all FileAccessors for each subspec in the Installer.

Truncating resources-to-copy.txt if it already exists

Related #1080

This test was using Rake::FileList

Closes #1080

Englisherizer - fix a single case of imperfect english

* 'master' of https://github.com/CocoaPods/CocoaPods: (21 commits)
  Release 0.20.2
  [Sandbox] Allow sandbox-pod to execute any tool inside a rbenv prefix.
  Bump to 0.20.2
  [CHANGELOG] Cleanup.
  [Spec] Update integrations specs for 0.20.2
  [CHANGELOG] Update for 0.20.2
  [Sandbox] Allow any tool inside the Xcode.app bundle to be executed.
  [Sandbox] Ensure RubyGems loads the CP gem on system Ruby.
  Revert Changelog curated-created thing
  CHANGELOG typo
  Release 0.20.1
  Update integration specs for new version number.
  [CHANGELOG] Update for 0.20.1
  [Sandbox] Fix issues when installed as a gem.
  [Gemspec] Make sandbox-pod executable visible
  [Config] Fix space before parentheses
  [Gemspec] Require CLAide 0.3.1
  Release 0.20.0
  Prepare for 0.20.0 release
  [Config] Use the pwd as installation root if no Podfile can be found
  ...