kmip component error messages are cryptic

Some configuration issues or certificate issues (say certificate expired) can cause libkmip component to throw cryptic (or very simple messages) that it failed.

I think there are two issues here.

1. component loaded successfully despite errors. Later server reports error when it loads keys or store keys. Sometimes InnoDB crashes because IO on redo and undo cannot fail.

2. messages like Loading the client certificate failed");, Loading the client key failed");, Loading the CA certificate failed");, ("BIO_do_connect failed");. These are not helpful to user.

3. We should also print the config used in the error message.

    

see extra/libkimp/kmippp/kmippp.cpp

Proposed patch (that can be improved):

We should be able to capture error message to string buffer and use it along with std::runtime_error.

ideas from

or a simpler version: