Game Service add in test branch

Signed-off-by: himanshu sharma <himanshu.sharma@shephertz.co.in>
Gmae service added

Signed-off-by: himanshu sharma <himanshu.sharma@shephertz.co.in>
reward service and scoreboard service updated

Signed-off-by: himanshu sharma <himanshu.sharma@shephertz.co.in>
leader board completed

Signed-off-by: himanshu sharma <himanshu.sharma@shephertz.co.in>
A Test App Added

Uses GetTopScore and SaveUserScore
Sample modified

Signed-off-by: himanshu sharma <himanshu.sharma@shephertz.co.in>
Sample added for leaderboard

Signed-off-by: himanshu sharma <himanshu.sharma@shephertz.co.in>
Merge branch 'master' of github.com:shephertz/App42Cpp