- Add arm64 architecture support. - Change base SDK to iOS 7.0.
- Add arm64 architecture support.
- Change base SDK to iOS 7.0.

x2on/OpenSSL-for-iPhone,x2on/OpenSSL-for-iPhone,x2on/OpenSSL-for-iPhone,oneton/OpenSSL-for-iPhone,ccwangzh/OpenSSL,ccwangzh/OpenSSL,ccwangzh/OpenSSL,ccwangzh/OpenSSL,ccwangzh/OpenSSL,oneton/OpenSSL-for-iPhone,x2on/OpenSSL-for-iPhone,oneton/OpenSSL-for-iPhone,ccwangzh/OpenSSL