crowdtilt.js defaults to sandbox now when initialized
Merge pull request #28 from Crowdtilt/tokenizer-sandbox-2

crowdtilt.js defaults to sandbox now when initialized
removing img field from campaign and user, encouraging metadata use, general clean-up
Merge pull request #29 from Crowdtilt/removing-img

removing img field from campaign and user, encouraging metadata use, clean up
Merge branch 'dev'

* dev:
  removing img field from campaign and user, encouraging metadata use, general clean-up
  crowdtilt.js defaults to sandbox now when initialized