create DB and table, insert score into table
get all cached scores from SQL:
add localizedDescription on OKScore for better logging
remove score
sql cache now functional replacement for NSUserDefaults cache
add submitted property to OKScore, make cache submit only unsubmitted scores
update score in score cache
OKScoreCache now only scores 2 scores per leaderboard ID: the highest and lowest score, added methods to check whether a new score should be submitted based on cached scores
score caching and offline support and score submission now working, submitScore returns a specific error when a score gets cached and not submitted
Merge branch 'SQLCache' into development