'api_token' protected setting; db->users->generate_api_token method
/api/current_user/generate_api_token route
"generate api token" button in user settings
improve "generate token" styling
all backend methods support api_token/api_login params
/about/api page
link to API in settings; mixpanel tracking
WI
/register frontend tests
simplified register form; email field is required

remove settings checkboxes, user can always customize them later
Merge branch 'api-tokens'

http://questhub.io/realm/meta/quest/51d4b0fb6b22fdc709000008
rebuild static