scale function
Merge branch 'develop' into feature/CLUB-564-JHON
Scale animation

- finished scale animation
- added global addRemoveClass function
Refactor addRemoveClass

- add attribute option to addRemoveClass function
CLUB-638, removed question mark on password field for signup modal
add a willClose hook for modal transitions CLUB-627
restructure some bb_account templates to use partials CLUB-627
Merge pull request #693 from onepercentclub/feature/login-tweaks

CLUB-627 - user flow tweaks
Merge pull request #691 from onepercentclub/feature/CLUB-638

CLUB-638, removed question mark on password field for signup modal
refactored sending the welcome mail
Merge remote-tracking branch 'upstream/develop' into feature/CLUB-632
reset modal content when closing / transitioning away CLUB-627
Password strength check HTML, svg icons modal

- added markup password strength
- removed svg object in template and added in css
- removed comment out code
refactored sending welcome mail to signal
removed old login fucntion
removed unused pipeline code
Merge branch 'develop' into feature/CLUB-564-JHON

Conflicts:
	bluebottle/bb_accounts/templates/bb_accounts/_signup_content.hbs
	bluebottle/bb_accounts/templates/bb_accounts/login.hbs
	bluebottle/bb_accounts/templates/bb_accounts/password_request.hbs
	bluebottle/common/static/js/plugins/bb_modal.js
added test for sending welcome mail
removed unused code
moved send mail var to test settings