Merge pull request #140 from darabun/master

(feat) Remove minified CSS from gitignore
(feat) Add process.env.NODE_ENV to handle different directives when deployment
Merge pull request #141 from nrobeR/master

(feat) Add process.env.NODE_ENV to handle different directives when deploying
(feat) ab_test: Send millisecondsPickWinner and millisecondsStartTime to server
(refactor) Change campaign_id to a Number
Merge pull request #142 from lmle/feat/client/ab_test

(feat) ab_test: Send millisecondsPickWinner and millisecondsStartTime to...
(inc) completes basic refactor on user query
Merge pull request #143 from nrobeR/refactor/bookshelf

(inc) completes basic refactor on user query
(test) ab_test: Add tests for services
Merge pull request #144 from lmle/feat/client/ab_test

(test) ab_test: Add tests for services
Update data object in ab_tests queries to match agreed upon API
Add insert imgs and return data needed for client url construction
Merge pull request #145 from armandopmj/feat/imgsInsert

(feat) Add insert imgs and return data needed for client url construction
(feat) ab_test: Return image and reroute link to be used in emails
(feat) ab_test: Show copy-and-pasteable html
Merge pull request #147 from lmle/feat/client/ab_test

(feat) ab_test: Return image and reroute link to be used in emails
(feat) campaign_page: Utilize data from server
Merge pull request #150 from lmle/feat/client/campaign_page

(feat) campaign_page: Utilize data from server
(refactor) campaigns: Refactor to Bookshelf. (test) Add tests.
(bugfix) Fix bugs of not sending back id when creating campaigns