Supprot for TLS/SSL in Git

In the previously version of FastGithub, the Git TLS/SSL will disable caused by Git can't verify the FastGithub's certification.
But, in this version, we use System channel instead of OpenSSL, so that Git will trust the certification from FastGithub.
Also, enable STL/SSL verify can let user more safely when they run git + push pull clone, etc.

Assets 7