Merge pull request #219 from darabun/master

(feat) Update main CSS
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
(update) delete chartLegend files as they are not needed
Merge pull request #221 from lowi0008/master

(fix) chart directive fixes
(feat) Change the sidebar content
(feat) Add more sidebar content
(feat) Add create_campaign sidebar content
(refactor) Add example campaign name
(fix) remove reference to chartLegendDirective from app.js and index.html
Merge pull request #223 from lmle/client/UX

(feat) Change sidebar content
Merge pull request #224 from lowi0008/master

(fix) remove reference to chartLegendDirective from app.js and index.htm...
(refactor) dashboard: inline-block color swatches
(style) Minor style changes
Merge pull request #225 from lmle/client/UX

(refactor) dashboard: inline-block color swatches
(refactor) Minor restyle of donut chart in dashboard