Bug 9117 [Follow-up] Reports hierarchies management improvements

Bug 9117 [Follow-up] Reports hierarchies management improvements

This patch corrects serveral markup errors in the template
introduced by this bug as well as previous patches: unescaped
ampersands, missing closing tags, typos.

To test, view various stages of the process of viewing or
creating guided reports and check the source for validity.

Signed-off-by: Julian Maurice <julian.maurice@biblibre.com>
Signed-off-by: Katrin Fischer <Katrin.Fischer.83@web.de>
Signed-off-by: Jared Camins-Esakov <jcamins@cpbibliography.com>