Translation formatting

Signed-off-by: Michal Čihař <michal@cihar.com>
New rendering of translation texts

- uses template tag rather than filter
- uses HTML template instead of generating HTML manually
- better rendering for that

Signed-off-by: Michal Čihař <michal@cihar.com>
Use new template tag in changes browsing

Signed-off-by: Michal Čihař <michal@cihar.com>
Use new template tag in sent emails

Signed-off-by: Michal Čihař <michal@cihar.com>
Use new formatter in search

Signed-off-by: Michal Čihař <michal@cihar.com>
Remove no longer used method

Signed-off-by: Michal Čihař <michal@cihar.com>
Fix parameters order

Signed-off-by: Michal Čihař <michal@cihar.com>