Fixed Windows build
Merge pull request #19 from murrekatt/develop

Updated Travis CI S3 keys.
MainFile: replace OTCleanup with std::unique_ptr
OTServer: replace OTCleanup with unique_ptr
Merge pull request #12 from BugFreeSoftware/windows_fix

Fixed Windows build
Merge pull request #18 from toxeus/removeOTCleanup

Remove remaining OTCleanup
Install openssl version 1.0.1h for Travis CI S3 deployment.