Update dependencies

Set 10.8 as the target operating system

Update to the latest version of libressl

Author: emsquared

Build Dependencies/buildDependencies.sh

@@ -1,6 +1,8 @@
 #!/bin/bash
 
-export LIBRARY_LIBRESSL_VERSION="2.5.4";
+export MACOSX_DEPLOYMENT_TARGET="10.8"
+
+export LIBRARY_LIBRESSL_VERSION="2.5.5";
 export LIBRARY_GPG_ERROR_VERSION="1.27"
 export LIBRARY_GCRYPT_VERSION="1.7.7"
 export LIBRARY_OTR_VERSION="4.1.1"