Redirect the feedback questionnaire data to companies that support XWiki or keep the data anonymously

According to http://markmail.org/message/arqq457lnppirw7d the data received after downloading XWiki could be send to companies offering professional support for XWiki or kept private.

Initial proposal of how the form should look like
http://incubator.myxwiki.org/xwiki/bin/download/Improvements/XWikiOrgDownloadRedesign/enterprisePart2.png

Missing implementation on sendto.png functionality