Log Message:
Update tex-tools{,-doc} to 2012.

Changes:
    * varioref.dtx: Avoid even \protected@edef in \vref@pagenum
             to pacify french babel
    * multicol.dtx: right-to-left language support added
    * multicol.dtx: typo corrections only -- thanks to Laurent Lyaudet
    * varioref.dtx: Correct spacing -- same mistake as in \vref
                     Defaults for esperanto added
    * xspace.dtx: Improve edge case for xspace
    * ftnright.dtx: Check for split footnotes