[1.7.x] Added upgrade instructions for deprecated model _meta permission methods.
[1.7.x] Added upgrade instructions for deprecated model _meta permission methods.

Backport of a3d96bee36040975ded8e3bf02e33e48d06f1f16 from master

jyotsna1820/django,oscaro/django,oscaro/django,jyotsna1820/django,jyotsna1820/django,oscaro/django,jyotsna1820/django,oscaro/django