Merge branch 'release/2014.05.15' into develop
create singleton pattern
P63 5-1 create TickerMaker
P63 5-2 create Triple
P63 5-2 modify Triple
P63 5-3 Singleton Thread Safe Programming
Merge branch 'feature/singleton' into develop
modify readme for relase 2014.05.19
Merge branch 'release/2014.05.19'