PowerShell Delete Files

http://superuser.com/questions/741945/delete-all-files-from-a-folder-and-its-sub-folders

http://www.networknet.nl/apps/wp/published/powershell-delete-files-older-than-x-days

http://stackoverflow.com/questions/17829785/delete-files-older-than-15-days-using-powershell

http://www.tomsitpro.com/articles/powershell-file-management,2-812.html

http://www.computerperformance.co.uk/powershell/powershell_remove_item.htm

http://serverfault.com/questions/535978/script-to-delete-folders-and-subfolders-from-a-specific-folder-full-of-subfolder

http://blogs.technet.com/b/heyscriptingguy/archive/2012/02/22/the-best-way-to-use-powershell-to-delete-folders.aspx