1. add openssl option at menuconfig
2. remove SSL_ERR to reduce complexity
3. add more functions about debugging and assert
According these, our coders and customers may use and debug the OpenSSL code easily.
1. add openssl 'new' and 'free' function
2. add clear unused variate to void warning to appear when compile
3. add internal function 'X509_new' to take the place of 'sk_X509_NAME_new_null' function whitch is openssl stack function
