Adds unique classes to breadcrumbs output

With this change every bredcrumbs instance has a unique class
(breadcrumbs-x - x is an integer starting with 1) which can be used to
identify the instance directly (Template Blue Eagle).
Thank you is rendered like link and not like button
Make working unthankyou because it has been disappeared
Set codename
Merge pull request #2344 from xillibit/k30_bugs8

Set codename
K 3.0.4 : Warning: preg_match() expects parameter #2303 (to be sure)
Merge pull request #2343 from xillibit/k30_bugs3

 K 3.0.4 : Warning: preg_match() expects parameter #2303
Merge pull request #2348 from Kunena/feature-hmvc

Merge HMVC branch into develop
3.1 Update html
3.1 html fixes part2 #2323
K 3.0 : Responsive css in signatures with images does not work #2353
Update existing languages
Merge branch 'master' of github.com:Kunena/Kunena-Forum
Release Kunena 3.0.5
Merge pull request #2356 from mahagr/master

Kunena 3.0.5 Release
Increase version number
Merge pull request #2357 from mahagr/master

Increase version number
Merge pull request #2350 from 810/3.1-fix-1

3.1 Update html
Merge pull request #2355 from 810/master-fix-1

K 3.0 : Responsive css in signatures with images does not work #2353
Merge pull request #2358 from Kunena/feature-hmvc

Merge pull request #2349