add raw filter to labels to allow html

[gondo]

example: link to Terms in checkbox label

[gondo]

i've also added nl2br filter to some labels. it will not hurt to add it too, but it might be useful just for my specific use-case

[sandello-alkr]

Make pull request for raw filter please. Not sure about nl2br.

[florianeckerstorfer]

raw 👍
nl2br 👎

[sandello-alkr]

This is how @florianeckerstorfer's comment looks for me:

[gondo]

same for me, but thunderbird rendered it properly:

[florianeckerstorfer]

There are still systems that doesn't support Emoji? Interesting.

raw thumbsup
nl2br thumbsdown