[Refs #53] Update dependency references from openssl-1.0.1b to openssl-1.0.1g (patched for heartbleed vulnerability)
Merge pull request #54 from brossi/upgrade-openssl

[Refs #53] (brossi) Update Windows build dependency on libssl1.0.1b to libssl1.0.1g (openssl CVE-2014-0160)