* master: (21 commits)
  Release 0.13.0
  Changelog
  [UserProjectIntegrator] Don't warn about overridden build settings if silent.
  [OpenURI] Reworked support for http to https redirects.
  [Podfile#podspec] Changelog and added disabled tests.
  [Podfile] Added Podfile#podspec.
  [Changelog]
  [UserProjectIntegrator] Check if the xcconfig files is overridden.
  [Linter] Detect warning disabling compiler flags.
  [OpenURI] Support for unsafe redirects.
  [inhibit_all_warningsDon't affect the final project.
  Release 0.12.0
  [Examples] Update RKTwitter Podfile.lock
  [CHANGELOG] Add entry about namespacing subspecs in Pods.xcodeproj
  [CHANGELOG] Update for 0.12.0
  [Project] Namespace subspecs in groups.
  Document Podfile#inhibit_all_warnings!
  Add Podfile#inhibit_all_warnings! to silence warnings, but not by default. #209
  Changelog
  "[Specification] Allow to require_arc in subspecs."
  ...