minor fixes
field fixes
base url
updates
Stop html_safe on user input

Fixes #59
added hsts, updated home page
Merge branch 'master' of github.com:bikeindex/bike_index
fixed api v1 controller issue
center text
serial page update and corrections
make it possible to have only one type of registration for embed
add alert class so alerts show up correctly.
improved membership admin form
typo fix
email format update
fixing style issues in email update
email is hard
final header tweaks
Fixes for rake task errors:

- Listing orderer now not including public images of hidden bikes
- Bike updator listing order sidekiq enqueue spec fixed
- Listing order worker don't run if the bike doesn't exist
howworks link updates