[1.7.x] Bumped version for 1.7.4 release.
[1.7.x] Bumped version for 1.7.4 release.

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