++xcconfigs
Update objc-build-scripts
Don't pass in -sdk (for Travis)
Revert "Don't pass in -sdk (for Travis)"

This reverts commit f4633f60bafd4dcc0370aaed15bf4eb4174dbf5a.
Update objc-build-scripts
Merge pull request #182 from github/xctool

Build with xctool
++xcconfigs for arm64 support

CC @bdolman
Include 64-bit build in iOS library

Remove the explicit ARCHS override for the iOS target in favor of using
the default base configuration ARCHS that includes 64-bit support.
Merge pull request #186 from bdolman/master

Include 64-bit build in iOS library
++xcconfigs
++specta, ++expecta for arm64 support
Merge pull request #192 from github/arm64

Update dependencies for arm64 tests
++Configuration
Fix a crash when receving something different than a NSDictionary to
build the model, which can easily happen if the json structure changes
Add test to check it doesn't break when using a wrong data type as dictionary
Merge branch 'master' into fixCrashWhenBuildingTheModel
Fix the test because of merge
Improve error description of the error for invalid json received
Fix a couple of syntax issues based on the comments in the PR
Make JSONKeyPathForKey: public