I'm new to this, what happened? I know that after the transaction I had the balance showing in my wallet that now appears at the address starting with 1Mz
It's called a change address. Armory does not reuse addresses, as is recommended. So, when you spend from an address, you will have change, much like when using cash bills, you will have change. The change has to go somewhere, so the wallet sends it to a change address. It is still an address in your wallet so you still have those Bitcoins.
Also in armory, I've restored my wallet but these transactions are not in my ledger.
Look at my post right above yours.
log files
I don't think those are necessary. I'm 99% sure that they just have to generate more addresses.