Move CommonBundle\Component\{Util => Doctrine\ORM}\EntityRepository

Sorry, I used up all available escape characters, you'll have to buy
some more at the \scapery. :smile:
$ find module -type f | grep Repository | xargs sed -i
"s/CommonBundle\\\\Component\\\\Util\\\\EntityRepository/CommonBundle\\\\Component\\\\Doctrine\\\\ORM\\\\EntityRepository/"