rename redirectTo validator for better clarity
point readme design lin to onepw. fixes #616
added /session/status endpoint
added /password/forgot/status endpoint
Merge pull request #636 from dannycoates/i635

added /password/forgot/status endpoint
Merge pull request #637 from dannycoates/i610

added /session/status endpoint
chore(build): Use the new Travis CI badge
Merge pull request #650 from pdehaan/new-badge

chore(build): Use the new Travis CI badge