Update .travis.yml
Update .travis.yml

Add check for openssl-framework script on Travis. Related #72
x2on/OpenSSL-for-iPhone,x2on/OpenSSL-for-iPhone,ccwangzh/OpenSSL,ccwangzh/OpenSSL,x2on/OpenSSL-for-iPhone,x2on/OpenSSL-for-iPhone,oneton/OpenSSL-for-iPhone,ccwangzh/OpenSSL,ccwangzh/OpenSSL,ccwangzh/OpenSSL,oneton/OpenSSL-for-iPhone,oneton/OpenSSL-for-iPhone,ccwangzh/OpenSSL