create OKScoreDB class using OKLocalCache
add lastInsertRowID and lasterrorMessage to OKLocalCache
delete old OKScoreCache
replace OKScoreCache references with OKScoreDB
move includes around and add OkScoreDB to copy files stage
add forward declaration in OKScoreDB.h
show score cache in sample app
cache last inserted row ID
Merge branch 'NewScoreCache' into development