by verifying intltool-update exists. If not, then fail cmake more cleanly
with a nice error message telling the user how to install it.
(LP: #1023742)
  
The truly weird part is that I've been building compiz successfully for a
long time without intltool-update installed. However we have some broken
cmake dependencies somewhere which *sometimes* make that a problem (like
with make -j2), but mostly not a problem (like make -j1).

It was a broken hack for a problem that didn't exist

Translations should be in ${datadir}/locale not ${datadir}/compiz/locale

XXX: autoreconf is deprecated and will be removed in a future revision.
Please use cmake.

    as requiring cube. bnc #183676.
Output load_before and requires for all plugins, even if the list is empty,
    to ensure that an empty value in a new release overrides a non-empty
    value in an older release.
regen