(no title)

Increased minimum required gpgme version to 0.4.5.
It was the first useable one for C++ (class keyword) and KDE (largefile support).
If gpgme < 0.4.5 is found on the system, or none at all, then gpgme-copy is used.

svn path=/trunk/kdepim/libkdenetwork/gpgmepp/; revision=319420