Use xcrun instead of magic strings
Use xcrun at end-user' Rakefile
Use an Xcode text placeholder for the SUT variable name in the Cedar Spec file template
Kill the simulator after completing rake tasks that use it.

- This ensures that no environment state (e.g. Reporter Class) sticks around after rake is done
Cedar.h imports SpecHelper to make it behave more as expected
Setup the Podspec to explicitly link against libc++.a
Merge pull request #228 from pivotal-brian-croom/add-libc++-to-podspec

Setup the Podspec to explicitly link against libc++
Merge pull request #224 from pivotal-brian-croom/close-sim-after-rake

Kill the simulator after completing rake tasks that use it.
Merge pull request #223 from pivotal-brian-croom/placeholder-text-in-spec-file-template

Use an Xcode text placeholder for the SUT variable name in the Cedar Spec file template
Merge pull request #220 from AlexDenisov/xcrun

Use xcrun instead of magic strings
Merge pull request #227 from pivotal-brian-croom/import-spechelper-from-cedar-h

Cedar.h imports SpecHelper to make it behave more as expected
Fix leak
Correctly recognize two 'nil' object values as being equal

Note that this is different than two uncasted 'nil' literals which are treated as int's
[#63351266]
Fix stringifiers for NSNumber and for generic objects to correctly handle nil values
Fix the compare_equal matcher for two NSNumber's to not blow up if the expectedValue is nil

[#69580148]
Equal matcher fails when comparing nil to nil
Equal matcher fails explicitly when used with nil

- In this situation, presumably the value passed in was intended to not be nil, hence it is treated as a failure
- The be_nil matcher is mentioned in case checking for nil was the actual intention
be_nil matcher can be used with block values

[#42698619]