<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.iangclifton.android.floatlabel"
    android:versionName="1.0" >

    <uses-sdk
        android:minSdkVersion="14"
        android:targetSdkVersion="21" />

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name" >
    </application>

</manifest>

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.iangclifton.android.floatlabel"
    android:versionName="1.0" >

    <uses-sdk
        android:minSdkVersion="14"
        android:targetSdkVersion="21" />

    <application
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name" >
    </application>

</manifest>

Remove allowBackup attribute from <application>
Remove allowBackup attribute from <application>

This causes lint conflicts with the project it can be used in since both define allowBackup