Refactor develop soldiers
Fixed typo in token controller
Remove unused total stat method from team model
Merge branch 'refactor'
Improve user sign-up flow.

Finish pending user specs.
Rewrite and refactor invite email.
Clarify new user sign up and sign in pages.
Fix boolean width in forms.
Add hint for new users on 'My Leagues' page.
Merge branch 'sign-up'