Add global cleanup and init

git-svn-id: https://svn.qindel.com/repos/main/projects/qindel/QVD/src/trunk@24054 4046b530-fbad-4e16-af16-ee11f0b55167
Remove shutdown in favor of curl_easy_cleanup

git-svn-id: https://svn.qindel.com/repos/main/projects/qindel/QVD/src/trunk@24055 4046b530-fbad-4e16-af16-ee11f0b55167