Merge pull request #90 from javiersantos/1.2.8

Update README

Update for Android 10 (#72)

Update for Android 10

Merge pull request #63 from javiersantos/ax

Migrate to Android X

Merge pull request #58 from javiersantos/kotlin

Rewrite library to Kotlin (keeping Java interoperability)

Update README.md

Allow to add multiple installer ids by using the same method

Release 1.2.1

Update .travis.yml

Fix custom layout