Bug 21185: Incorrect title tag on tags review page

Bug 21185: Incorrect title tag on tags review page

This patch corrects the title tag on the tags review page.

To test, apply the patch and go to Tools -> Tags. The page title
(probably shown in the browser tab) should start with "Koha ->" instead
of "Home ->".

Signed-off-by: Maryse Simard <maryse.simard@inlibro.com>
Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Nick Clemens <nick@bywatersolutions.com>
(cherry picked from commit ad0f90b797c77b853ff61501310892282f582988)
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>