(feat) adjust app.config.js, campaign_page.controller.js to handle data from database
Merge pull request #226 from darabun/master

(refactor) Minor restyle of donut chart in dashboard
Merge pull request #227 from lowi0008/master

(feat) adjust app.config.js, campaign_page.controller.js to handle data ...
(fix) fix missing .data for dashboard bug
Merge pull request #229 from lowi0008/master

(fix) fix missing .data for dashboard bug
(update) simplify language on pages
(update) fix issues on dashboard
(feat) Serve img info per ab_tests in api/campaigns/:campaign request
Merge pull request #230 from lowi0008/master

(fix) data issues on dashboard, (update) simplify language on views"
Merge pull request #231 from nrobeR/feat/campaigns

(feat) Serve img info per ab_tests in api/campaigns/:campaign request