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- Update various help_text fields to match Django 1.9 (Wenze van Klink 51, Gavin Wahl 64, Jared Proffitt 67, Ivan VenOsdel 69)
- Documentation fixes (Yuki Izumi 52, Pi Delport 60, Germán Larraín 65)
- Made case-insensitive tooling work with more than just USERNAME_FIELD='username' (Jared Proffitt, Rocky Meza 72, 73)