Revert "fixed problems with old error codes in client/vhsm_admin.cpp"
Generated header "vhsm_transport.pb.h" must not be included into client sources

This reverts commit c9852fca138e2b8636e67e5e16da32111cb6674b.
Revert "removed definitions of error codes from client/vhsm_api_prototype/common.h and in accordance with this"
Generated header "vhsm_transport.pb.h" must not be included into client sources

This reverts commit 3d0192f056bf71515f2bdc46d2d87d0c1c6b6ffa.