Merge pull request #19 from nrobeR/master

(bugfix) Remove the return statements in site-redirect
Merge pull request #20 from nrobeR/master

(bugfix) Remove 'use strict'
(fix) Increase setTimeout on getAssocImages. Refactor logic
Merge pull request #21 from darabun/master

(fix) Increase setTimeout on getAssocImages. Refactor serve image.
(feat) add viewTime and clickTime to memcache
Merge pull request #22 from armandopmj/feat/memCache

(feat) add viewTime and clickTime to memcache
(feat) Add timestamp on view/click. Fix view/click count for winning image
Merge pull request #23 from darabun/master

(feat) Add timestamp on view/click. Fix view/click count for winning image.
(feat) Sync memcached View Time, Click Time and Winner
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
(fix) Change campaignClicks to totalClicks
Merge pull request #26 from darabun/master

(refactor) Comment out ab_img click reset
(feat) Add useragent(Device) to memcache
Merge pull request #28 from darabun/master

(feat) Add useragent(Device) to memcache