Merge pull request #212 from lowi0008/master

(fix) fix chart directive rendering issue, change client doughnut to dev...
(feat) Style AB modal
Merge pull request #216 from darabun/master

(feat) Style AB modal
(feat) Add Dashboard button to top bar
(feat) UX: Add loading notifiers for account, create_campaign
(feat)(cleanup) UX: Add styling; cleanup
(style) campaign_list styling
(style) dashboard: Minor styling
(fix) campaign_list: Fix styling
(feat) account: Signup redirects to create-campaign
Merge pull request #217 from lowi0008/master

(fix) fix login/signup error when no campaigns stored
Merge pull request #218 from lmle/client/UX

Client/UX
(feat) Update main CSS
Merge pull request #219 from darabun/master

(feat) Update main CSS
(refactor) Make CSS for tables specific to only campaign-list
(feat) Show message to user if there are no apps
(feat) Add cursor pointer on logout hover
Merge pull request #220 from darabun/master

(feat) Show message to user if there are no apps
(feat) add chartLegendDirective and imageBarGraphDirective
(fix) fix bug for missing color swatches on chart legends