PII: Don't log out the user's email address.
Fixed issue #170

Fixed
https://github.com/AzureAD/azure-activedirectory-library-for-objc/issues
/170
Moved around values in this header so that at least the int value would match the shipping branch
Merge in changes to remove code that uses OpenSSL.
Delete OpenSSL files.
More Open SSL removals
Return early in case of NSURLErrorCancelled. It is ignorable error.
Add a setting that allows consumers to pass in a block to add custom access policies to keychain entries.
Return early in case of NSURLErrorCancelled. It is ignorable error.
Merge pull request #217 from RPangrle-MS/OSXUniversal

Error out early in OS X WebView and Custom Keychain Access