Make lm_connection_authenticate_and_block reuse lm_connection_authenticate logic, and get SASL support for blocking api for free.
Make lm_connection_authenticate_and_block reuse lm_connection_authenticate
logic, and get SASL support for blocking api for free.

tyll/loudmouth,mcabber/loudmouth,tuxad-loudmouth/loudmouth,tuxad-loudmouth/loudmouth,mhallendal/loudmouth,tyll/loudmouth,mcabber/loudmouth,mhallendal/loudmouth