Start Chapter 11. Add CrimePagerActivity.

In File/Project Structure / Dependencies add library dependency support-v4-20.0.0
Now can use FragmentActivity and ViewPager class.

References
http://forums.bignerdranch.com/viewtopic.php?f=408&t=6252
http://stackoverflow.com/questions/24438170/manifest-merger-failed-uses-sdkminsdkversion-14