Change PK of HistoryDataKBar --- 1
Merge branch 'master' of KS:/home/clyde/git-repos/ForexInvest
add resetPK method when initDB
add resetPK method when initDB -- fix test failure and out of memory issue when loading mass data row by row
add margin cut detect
add commission computing
add client equity / unrealized PL computing
unit test to verify BrokerClient account/positions process StrategyManager --  milestone one