Merge pull request #23 from darabun/master

(feat) Add timestamp on view/click. Fix view/click count for winning image.
Merge pull request #24 from darabun/master

(feat) Sync memcached View Time, Click Time and Winner
(add setInterval in memcache for DB queries)
(Rebase)
(feat) INSERT memcache campaigns and ab_img data
(Fix) Fix merged conflicts
Merge pull request #25 from armandopmj/feat/memCache

(feat) Add DB insert helper functions for memcache
(refactor) Comment out ab_img click reset