Clarify some differences between DJango and Grantlee.
Clarify some differences between DJango and Grantlee.

simonwagner/grantlee,simonwagner/grantlee,simonwagner/grantlee,simonwagner/grantlee,cutelyst/grantlee,simonwagner/grantlee,cutelyst/grantlee,simonwagner/grantlee,cutelyst/grantlee,cutelyst/grantlee,cutelyst/grantlee