Add campaigns to sample project
Add new type of campaign
Implement external url cross selling campaigns
Fix sample project
Merge commit '6d15a0a308c01a4cf838c7835d5dc80d6a9784e9' into external-url-campaigns
Update version
Merge commit 'fe587e174784472558e658a89613512b485b1d20' into external-url-campaigns
Merge pull request #16 from MyMalcom/external-url-campaigns

External url campaigns