Endomondo: Add power and new sport mappings
Endomondo: Add power and new sport mappings

- Add power_avg and power_max mappings
- Add new sport mappings
- Change some sport mappings
- Update some URLs

mduggan/tapiriik,cpfair/tapiriik,cgourlay/tapiriik,cpfair/tapiriik,mduggan/tapiriik,cgourlay/tapiriik,campbellr/tapiriik,campbellr/tapiriik,campbellr/tapiriik,cgourlay/tapiriik,cpfair/tapiriik,cgourlay/tapiriik,mduggan/tapiriik,mduggan/tapiriik,campbellr/tapiriik,cpfair/tapiriik