<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.basgeekball.awesomevalidation">

    <application android:allowBackup="true">

    </application>

</manifest>

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.basgeekball.awesomevalidation">

</manifest>

Remove application tag and allowBackup attribute
Remove application tag and allowBackup attribute

allowBackup attribute in library's manifest could cause manifest merger's failure.
