* pod_update:
  [Install/Update] Keep track of external sources while locking Pods.

* master:
  [Git] Fix for exception in failing integration test.
  Add a link to @subdigital’s NSScreencast episode about creating a podspec.
  More cleanup using ActiveSupport's Oxford comma styling of a list.

* master:
  [Excutable] Fix for ruby 1.8.7.
  [CHANGELOG] Didn't realize that github already adds a separator line for each entry.
  [CHANGELOG] Update
  Add static libraries to root of project if no Frameworks group exists. #431
  Cleanup a little by using ActiveSupport convenience methods.
  CHANGELOG.md
  [Documentation] Use public headers if specified.
  [Downloader] raise when importan commands fail.
  [Git] Init submodules only if requested.
  [Rakefile] commit Gemfile.lock on release.
  [Changelog] Release 0.11.1.
  Release 0.11.1
  [Changelog] Update.

Better to allow the user to choose how to organize her project.

skip_ci.

Closes #318.

* master:
  [Git] Init submodules only after the checkout. #451
  [Subversion] Improved head support.
  [LocalPod] Completed fix for public headers handling. #449
  [LocalPod] Fix public headers handling. #449

* master:
  Updated installation notes.
  [Gemfile.lock] update.
  Release 0.11.0
  [Rakefile] fine tuned release task.
  [CHANGELOG] Updated.
  fixing path on push command documentation description
  updating description for pod push with more detail about how it works

Updated installation notes.

The Command Line Tools may be installed right from Xcode.