Use replace instead of href to redirect in Controller::DataTable

This avoids infinite loops if the user press back button
Make file download work again

After moving EBox::CGI::Downloader::* to EBox::Downloader domain

This regression happened after a fix in our package generation...
Merge pull request #1117 from Zentyal/ejhernandez/use-replace-redirect

Use replace instead of href to redirect in Controller::DataTable
Merge pull request #1118 from Zentyal/ejhernandez/fix-downloader

Make file download work again
Merge branch '3.2' into 3.3

Conflicts:
	main/core/ChangeLog
Merge branch '3.3'

Conflicts:
	main/core/ChangeLog