Add strings use in Tabs. Add FragmentAcitivty to screeen details Animal and create layout with viewpager. Add tabs listeners
implements Serializable, add sample code to use Animals in Sgihtseeing
Prepare animal description activity
Delete sample code and add instruction comment to use
Create StartActiivty which manage fragment, change SightSeeing and ANimalDetails to Fragment, add fragment animation
merge local version, new Activity with Fragment with upstream/adnroid
Fix bug with change orientation screen and on pause fragment
Fix crash app by nested fragment
fix codestyle, rename variables animals
Merge pull request #68 from SwiatekSb/android

Replaced activities with fragments