The "bed leveling wizard doesn't home" is an unfortunate bug that got into the wizard.
It's fixed for the 13.03 release. It will be announced soon, but for linux you can already download the .deb from http://software.ultimaker.com/Cura-13.03-debian.deb (The new .deb saves a lot of problems for linux users)
The connection problems with the wizard seem to be related to the Linux release.
This is exactly the problem I'm having also. My log looks exactly the same (see attached). The "First Run Wizard" works fine ... it uploads the Marlin firmware, then runs through the limit switch checks and head heater tests just fine. But - cannot connect the bed-leveling wizard.
I figured ... what the heck, just level the bed manually and try to print. This turned out to be a very bad idea. It does not "home" the bed and printer head, but instead, slams the head into to stops. Had to yank the power cord to avoid disaster.
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