Fix includes

Clang-tidy misc-include-cleaner appears to now be enforcing
significantly more headers than previously.  That is overall a good
thing, but forces us to fix some issues.  This commit is largely just
taking the clang-recommended fixes and checking them in.  Subsequent
patches will fix the more unique issues.

Note, that a number of new ignores are added into the .clang-tidy file.
These can be cleaned up over time as they're understood.  The majority
are places where boost includes a impl/x.hpp and x.hpp, but expects you
to use the later.  include-cleaner opts for the impl, but it isn't clear
why.

Change-Id: Id3fdd7ee6df6c33b2fd35626898523048dd51bfb
Signed-off-by: Ed Tanous <etanous@nvidia.com>
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>
diff --git a/include/ssl_key_handler.hpp b/include/ssl_key_handler.hpp
index dbc2720..daf42c4 100644
--- a/include/ssl_key_handler.hpp
+++ b/include/ssl_key_handler.hpp
@@ -3,8 +3,11 @@
 
 #pragma once
 
+#include <openssl/crypto.h>
+
 #include <boost/asio/ssl/context.hpp>
 
+#include <memory>
 #include <optional>
 #include <string>