Update version to 3.0.0
Test request handler unbuffered
Merge branch 'unit' of https://github.com/adeven/adjust_ios_sdk into unit
Use lowercase adjust in Readme
Allow zero revenue
Merge pull request #29 from adjust/v3.0.0

Add delegate for in-app source access
Add cocoapods instructions to Readme
Merge pull request #30 from adjust/v3.0.0

Add cocoapods instructions to Readme
Remove prefix file
Merge pull request #31 from adjust/cleanup

Remove prefix file
Use performSelectorOnMainThread instead of dispatch_async
Merge pull request #32 from adjust/delegate

Use performSelectorOnMainThread instead of dispatch_async
Merge branch 'master' of https://github.com/adeven/adjust_ios_sdk into unit
Ignore prefix header files
Test activity handler checks