* Dump drogon to v1.8.2 and trantor to v1.5.8
* Fix drogon patches checksum
* Dump c-ares to 1.18.1
* Fix trantor
* fix c-ares
* fix c-ares again
My apologies for my previous sloppiness: I pasted it straight from another branch (in my fork), but didn't get it right...
* fix c-ares again again
* fix trantor checksum
* add some versions for openssl
* switch sfml to build from source on windows
* fix tbb install issue
* add package c-ares
* try fix sfml on 32-bit mingw
* simplify openssl versions
* remove os.cp and addenv on windows