PPAs must use the Ubuntu release names on which your Linux Mint release is based. You are using Linux Mint 13 "Maya", so that would be Ubuntu 12.04 "Precise". The URLs in your errors have "maya" in them, and that should be "precise". You can fix this manually in sources.list files. If you don't know how, please share the output of the following command here. You can copy text to/from the terminal, see its Edit menu.
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