Some Generalizations#5

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cfis wants to merge 10 commits intoolarivain:masterfrom

Commits on Oct 30, 2014

Make the sdk and arch configurable so we can make builds for the simulator.
Charlie Savage
committed
By default let xcodebuild dir, but allow overriding by setting the build_dir directory.
Charlie Savage
committed
Make Xcode build more flexible when running commands - needed for next commit that add support for getting build settings.
Charlie Savage
committed
Add support for getting builds settings from Xcode.
Charlie Savage
committed
Don't delete the package directory - that should be left up to code calling this gem.
Charlie Savage
committed

Commits on Nov 1, 2014

Remove arch, sdks is good enough to create builds for the simulator.
Charlie Savage
committed
Make message slightly more informative.
Charlie Savage
committed

Commits on Nov 2, 2014

Put gem spec in github so we can use it from bundler.
Charlie Savage
committed

Commits on Nov 7, 2014

Print out error to console and return nil.
Charlie Savage
committed

Commits on Dec 15, 2014

Fix clean by adding extra capture parameter.
Charlie Savage
committed