dataMgr:data: add support to get the last update time

Add getUpdateTime() to get the last update time for an instrument.

Signed-off-by: Zhengwang Ruan <ruan.zhengwang@gmail.com>
strategy:futures: add startTime and paintLogOn attributes

1) Add startTime to start trading at a specific point of time.
2) Add paintLogOn to control painting logs to terminal window.

Signed-off-by: Zhengwang Ruan <ruan.zhengwang@gmail.com>
strategy:turtle: add support to control when to start trading

Add support to control when to start trading using startTime.

Signed-off-by: Zhengwang Ruan <ruan.zhengwang@gmail.com>
ctp:ctpParser: pass startTime to execution thread

Pass startTime (time_ctp_on) which controls when to start trading
to execution thread.

Signed-off-by: Zhengwang Ruan <ruan.zhengwang@gmail.com>
ctp:testctp: add test to getUpdateTime() for CtpData

Signed-off-by: Zhengwang Ruan <ruan.zhengwang@gmail.com>
config: update time_ctp_on field for test.ini

Signed-off-by: Zhengwang Ruan <ruan.zhengwang@gmail.com>