Merge pull request #47 from adjust/development

Web App integration
Only call identifierForVendor if available
Update version to 3.3.3
Merge pull request #50 from adjust/dynamic-vendor

Only call identifierForVendor if available
Parsing of new Response Data fields
Mixpanel doc
New version
Merge pull request #51 from adjust/mixpanel

Mixpanel API integration
Mixpanel doc cleanup