Bug 27474: Improve link text when no avaliable printer profiles

Bug 27474: Improve link text when no avaliable printer profiles

Test plan:
1. Go to tools, click on label creator.
2. Make sure you have some(1-2) printer profiles free to attach to a
label template. You can do this by clicking on manage, printer profiles,
if there is a blank space under the "Template name" header, then it is
free to attach to a label template.
3. Click on add new label template.
4. Note how there is a drop down menu beside "Profile:", to select a
printer profile.
5. Assign all of the avaliable printer profiles by making new label templates.
6. Now woth no avaliable printer profiles, click on add a new label
template.
7. Note how there is a drop down menu beside "Profile:" only "No
Profile/Na" is avaliable to select.
8. Apply patch.
9. Repeat steps 2-6.
10. Now note how there is a link to make a new printer profile, under
the drop down menu next to "Profile:"

Signed-off-by: Owen Leonard <oleonard@myacpl.org>
Signed-off-by: Nick Clemens <nick@bywatersolutions.com>
Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>