Move openssl_util to util

As the security libraries depend on utils, utilities can't depend on
security. Some of data at rest encryption's will thus live in util/env,
which would need to use some of the macros/functions defined in
openssl_util, so we need to move this code to util.

Change-Id: I4147cbfbdba9bb3cfee35a542c5e8cb1568fb032
Reviewed-on: http://gerrit.cloudera.org:8080/17838
Tested-by: Kudu Jenkins
Reviewed-by: Alexey Serbin <aserbin@cloudera.com>
36 files changed