Data miners pick through latest Pokemon GO update, find mention of Ditto, shinies and more

- new code for Ditto has been added
- Ditto appears to be 'encounterable' in the wild
- not clear whether this is enabled yet
- Ditto appears to be able to be used in battle
- sounds for different Ditto effects have appeared
- background graphic for Ditto has appeared (dark purple)
- small 'spotlight' graphic has appeared for ditto that may indicate a different appearance either on the map, or elsewhere
- three new sponsors have been listed: SPATULA, THERMOMETER, KNIFE
- nearby tracker will hide the SIGHTINGS radar when a minimum number of NEARBY Pokemon are detected
- minimum number is unclear,
- logic has also appeared that informs the client whether or not to show the NEARBY Pokemon tracker at all
- the phrases SHINY and RARE have appeared in the APK
- new audio file that plays when a wild Pokemon is captured that is deemed RARE
- decent amount of new code segregating Pokemon materials into "default" and "shiny" materials
- no new Pokemon sprites for the Pokedex/Sightings/Nearby tracke