Bug 867764 fix a string not enclosed in an l10n call
plugincheck: add et, hu, mr, uk, pl, lv
Bug 899837 - Don't always say thanks on newsletter/updated

Only say thanks on newsletter/updated page if the page isn't
already saying something more specific, like "We're sorry
to see you go" or "Thanks for telling us why you're leaving".
Update secure_url to match protocol of current page. Bug 901523.
Merge pull request #1135 from pascalchevrel/Bug_867764_newsletter_L10n_fixes

Bug 867764 fix a string not enclosed in an l10n call
Merge pull request #1138 from dpoirier/bug-899837-tweak-newsletter-updated-thanks

Bug 899837 - Don't always say thanks on newsletter/updated
Merge pull request #1136 from jpetto/bug-901523-form-https-errors

Update secure_url to match protocol of current page. Bug 901523.
Merge pull request #1134 from pascalchevrel/bug892470-plugincheck_actvate_locales

Bug 892470 - Use bedrock plugincheck page for locales
Bug-887426 migrate participation and policies pages to bedrock