Finish removal of iconv_convenience in public API's.
Fix building the common libcli/samsync code
Rework Samba4 to use the new common libcli/auth code In particular, this is the rename from creds_ to netlogon_creds_, as well as other links to use the new common crypto. Andrew Bartlett
Use common samsync delta decryption functions in libnet_samsync.c Andrew Bartlett