Add a button to send email when disabling QA warnings
Add a button to send email when disabling QA warnings

Make it easier to send feedback as suggested when disabling QA
warnings. Instead of just telling the user, show a "Send feedback" button
to make it easier.

Fixes #617.

vslavik/poedit,vslavik/poedit,alexhenrie/poedit,PKRoma/poedit,alexhenrie/poedit,vslavik/poedit,PKRoma/poedit,nawawi/poedit,alexhenrie/poedit,nawawi/poedit,PKRoma/poedit,PKRoma/poedit,vslavik/poedit,PKRoma/poedit,nawawi/poedit,vslavik/poedit,nawawi/poedit,nawawi/poedit,alexhenrie/poedit,alexhenrie/poedit