feature(server): Redirect port 80 calls to port 443.

fixes #799
chore(client): Clean up email address markup in confirm screens.

fixes #779
chore(email): Update email text with new copy.

fixes #835
bugzilla #982122
chore(email): Add SUMO link to email footer text.

fixes #625
fix(client): All error strings should have a Capitalized first letter.

* The "old and new passwords..." string is updated in #851

fixes #852
chore(client): `Password` placeholder is changed to `New Password`

fixes #780
fix(client): Use sentance casing on placeholder text.

fixes #855
Merge pull request #867 from mozilla/issue-779-email-sent-text

chore(client): Clean up email address markup in confirm screens.
refactor(l10n): refactor email strings to make l10n easier
Merge pull request #854 from mozilla/issue-780-complete-password-reset-placeholder

chore(client): `Password` placeholder is changed to `New password`
Merge pull request #866 from mozilla/issue-835-email-copy-update

chore(email): Update email text with new copy.
Merge pull request #853 from mozilla/issue-852-capitalize-errors

fix(client): All error strings should have a Capitalized first letter.
fix(client): Redirect to start page if resend email token is invalid.

* For sign up, go to /signup
* For password reset, go to /reset_password

fixes #673
Merge pull request #865 from mozilla/issue-673-invalid-resend-token

fix(client): Redirect to start page if resend email token is invalid.
Fixes a few warnings from arialinter
feature(client): Error and tooltip fixes!

* Hide errors on form change if form is valid. Help with issue #765 where "Incorrect password" error is shown even after the user updates the password.
* Prevent form re-submission while form is disabled.
* Allow tooltips to be displayed when clicking "next" button even if form is disabled.

fixes #765
fixes #858
Merge pull request #881 from pdehaan/arialint

chore(html): Fixes a few warnings from arialinter

Looks good to me, thanks @pdehaan!
Merge pull request #830 from mozilla/issue-799-http-to-https

feature(server): Redirect http calls to https.
Release v0.9.0
refactor(l10n): split string to make l10n easier