Added miles or kilometers toggle

Added to device view.
Fixed #171
Merge pull request #160 from pcaddict08/master

Added miles or kilometers toggle.
Minor fix after merge of #160
Minor fix after merge of #160
Default settings
Dynamically refresh portal detail screen
Refactoring
Fixed #173
Multi-drop and multi-recycle. Fixed #164. + some more refactoring and experimenting with audio
Removed debug hack
GUI improvements. Fixed #175.
Crashfix
Added new mods to Core Data
Fixed wrong datatype of rarity
Minor fixes
Added new mods to Inventory
Made Energy Glob not item
Update README.md
Update README.md