merged inhibit_all_warnings with inhibits_warnings_per_pod?

Integrate a build phase that checks if Manifest.lock is in sync

See #653

added inhibit warnings per pod. fixes #674

* Rename-no-update-option:
  [Gemspec] Bump Xcodeproj
  [Command] Rename no-update to no-repo-update
  Rename no-update to no-repo-update

[Gemfile] replaced comments for local gems with ENV

Closes #913

* master: (30 commits)
  [Generator::Documentation] Namespace ids by Pod
  [Generator::Xcconfig] Add developer frameworks search paths if needed
  [Specs] Fix for improved support for pre-release versions
  [CHANGELOG] Update for Xcodeproj 0.5.4.
  [Command::Search] Add support for `--ios` and `--osx`
  Changelog [ci skip]
  [Library] Add #client_root
  Release 0.17.2
  [Integration] Actually add the result of the install_custom_workspace check
  [Integration] Update Lockfiles
  [Examples] Remove FileList references [skip ci]
  Changelog [ci skip]
  [SourcesManager] Search robustness.
  [Command::Spec] Remove FileList references from template
  [LibraryRepresentation] Fix crash in #prefix_header_path
  [Installer] Remove duplicates form #installed_specs
  [PathList] Expand excluded folders
  Changelog
  [UserProjectIntegrator] Return an absolute path for the workspace.
  [Examples] Remove lockfiles from source control
  ...

Closes #659

Closes #771

Closes #625

Closes #918

Closes #901