SKE-490 Add a loading element when you upload a file using the wizzard on step 0 Set loading-bar.gif as background for progress bar
SKE-490 Add a loading element when you upload a file using the wizzard on step 0
Set loading-bar.gif as background for progress bar

git-svn-id: 20418c87ed1402b21fd364c4015379761d5a9ad4@8776 d4d025b9-7bfe-4295-b4c0-7365c5b8ee40

xwiki-contrib/sankoreorg,xwiki-labs/sankoreorg,xwiki-labs/sankoreorg,xwiki-contrib/sankoreorg,xwiki-contrib/sankoreorg,xwiki-labs/sankoreorg