[fix] restore track drawing
change track icons
Merge pull request #113 from hammer814/android

[fix] restore track drawing
[fix] important LocationUser change
Merge pull request #114 from hammer814/android

[fix] important LocationUser change
change picked language to device's so animal's names can show up in English
change marker recognition in TrackDrawer
edit SightseeingFragment.java and TrackDrawer.java so they use Map<Marker,Animal> instead of animal names;
Merge pull request #119 from ampatalas/languageBug

Fix language bug in SightseeingFragment
Adjust AnimalDetailsMapFragment.java so it would also show few close animals
enable click-able marker windows
refactor code
add comments