Merge pull request #750 from dcutting/master

Added support for pre-download over Mercurial.
Add install note for RVM users about symlinking GCC to LLVM-GCC.
Fix podspec in Podfile with no options.

Added specs to test podspec method inside Podfile. Specs for the
default, no options version; the :name version and the :path
version.
Merge pull request #768 from drodriguez/gh-708-podspec-nil-options

Fix podspec in Podfile with no options.
Disable libSystem objects for ARC libs that target older platforms.

This applies when the deployment target is set to < iOS 6.0 or
OS X 10.8, or not specified at all.
Generate Pods target in Mac OS X with the specified deployment target.

Fix #757
Merge branch 'disable-libSystem-objects'
Run on the new Travis CI mac workers on both system Ruby and 1.9.3-p327.
Update bundle.
Make specs green.
Update CHANGELOG
Bump Xcodeproj dependency.
Release 0.16.2
Do not flatten the zip files downloaded via http
Updated downloader spec to check for unflattened zipfiles
Merge pull request #783 from kbok/master

Do not flatten the zip files downloaded via http
Let’s get Travis to build again.
Never consider aggregate targets for integration. Fixes #729 & 784.