Update documentation reg. configurable forms
Merge pull request #66 from eskil/registerform

Update documentation reg. configurable forms
remove import that was left by accident
Merge pull request #68 from eskil/fix_tests

remove import that was left by accident
Get rid of `strftime` in favor of `total_seconds`. Fixes #67
Merge branch 'develop' of https://github.com/mattupstate/flask-security into gothm-dev