Merge pull request #19 from afilipowicz/ios

[MYGUIDE-24] more MWLogs, checking for xml files in documents dir with fallback to bundle files
Merge pull request #24 from afilipowicz/ios

[MYGUIDE-24] added logs with xml objects count as stated in MYGUIDE-23 AC
MapKit library added
Building MKAnnotation for Animal
Setting updated with new options
Showing zoo, animals and current position on map
Showing animals depending on settings
Calculating user distance and displaying alert
Added paths and junctions drawing, preparing for direction indicator