(feat) Style campaign page
(feat) Serve device data for campaigns
(cleanup) Clean the schema.sql
(inc) Adds ab_click_device table and initiate it whenever ab_test created
(inc) working on initializing ab_click_device
(feat) Modify db schema/ serve device/click data to front-end
Merge pull request #196 from darabun/master

(feat) Style campaign page
Merge pull request #199 from nrobeR/feat/device

Feat/device
(feat) Change drag and drop styling
Merge pull request #202 from darabun/master

(feat) Change drag and drop styling
(feat) Make the doughnut inline
(bugfix) Fix the create campaign bug when signed up
(cleanup) Rebase master
Merge pull request #204 from nrobeR/feat/campaign

Feat/campaign
(feat) Add content in rawdata color
Merge pull request #205 from nrobeR/feat/campaign

(feat) Add content in rawdata color
(feat) add getCampaignData and getAllCampaignData methods to campaign model factory
(fix) work on bugs in dashboard and chart directives
(fix) complete dashboard and directives
(feat) update dashboard.controller.js