rename summoner => player
fix manager/player
rename summoner_name to summoner
Merge pull request #27 from Amoki/refactor-models

rename summoner => player	90ca8bf
 Amoki	fix manager/player	 66cd55d
 Amoki	rename summoner_name to summoner
Rework ongoing, commiting before merge with master (refactor summoner->player)
Merging/Reworking WIP