implementing cache for tutorials page.

Signed-off-by: Gnanakeethan Balasubramaniam <gnanakeethan@gmail.com>
implemeting route to clear cache.

Signed-off-by: Gnanakeethan Balasubramaniam <gnanakeethan@gmail.com>
Merge branch 'develop'

Signed-off-by: Gnanakeethan Balasubramaniam <gnanakeethan@gmail.com>