unique index on username
support almost empty user records for mac address authentication
various minor fixes: missing spanish config keys, problematic migration
added critical credit card related spanish translations
fix password reset bug on mobile interface + test
fix missing spanish translation bug + test
rake radius_accountings:convert + docs
rake radius_accountings:convert acts only on online users
added convert_radius_accountings worker + docs
bump version 1.3 RC 2
missing some default rails translation in spanish
Merge pull request #36 from nemesisdesign/1.3

v1.3 RC 2