Actually change link to 1242

The number was updated, but the link is still wrong.

Reference the integration spec files from a submodule pointing to CocoaPods/cocoapods-integration-specs

[Specification::DSL] Add prepare_command

* master:
  [Gemfile] Require cocoapods-core from the master branch
  [Gemspec] Bump dependencies version

Closes #1274

[Specification] Add support for framework_bundles

* master:
  [Changelog]
  [Changelog]
  Remove an incorrect unit test.
  Add a note to the CHANGELOG about directory restructure.
  Clean up config/sources manager interfaces to not be polluted with old directory structure stuff.
  Add a test for migrating repos to new repo dir.
  Move tempo repos generated by spec_helper to a repos subdir.
  Fix up some comments and add a missing test for config.
  Migrate existing repos when running setup.
  rename cocoapods_dir to home_dir
  Fix some text references to .cocoapods to be .cocoapods/repos
  Move config.yml path back to cocoapods dir.
  Move repos_dir to .cocoapods/repos
  [UI] Add copy&paste friendly dependency to descriptions of Pods

Conflicts:
	CHANGELOG.md
	Gemfile.lock

Closes #743
Closes #1186
Closes #809
Closes #1075

Restructure .cocoapods directory to contain repos as a subdirectory.