[Issue#3]And adjust and optimize some codes for runtime.#4

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zongtanghu wants to merge 4 commits intoopenmessaging:runtime-rocketmqfrom

zongtanghu:runtime-rocketmq

Commits on Apr 11, 2019

[issue#3]Drived the configed omsDriverUrl into three configed variables.And adjust some codes for runtime.
zongtanghu
committed

Commits on Apr 12, 2019

[issue#3]Rename some class file for runtime.
zongtanghu
committed

Commits on Apr 13, 2019