Merge pull request #8 from AlexBalo/config_setup-project-as-a-library

Config setup project as a library
Merge pull request #9 from AlexBalo/feature_ad_replacing_ad4push_SDK

Feature ad replacing ad4push sdk
Merge pull request #10 from AlexBalo/library-structure

Library structure
Add some changes based on first integration test
Merge pull request #12 from AlexBalo/library-adjustments

Library adjustments