issue #2727:  Edit CCProfilling use <chrono>. Add log to PerformanceNodeChildrenTest. Edit xproj to support c++11
closed #2727:  Edit CCProfilling back to gettimeofday.  Edit compiler back to default. Edit PerformanceNodeChildrenTest tests NO.
issue #2727:  Adjust declare order of CCProfilling class members
issue #2727:  Fix travis-ci compile error
issue #2727:  Fix travis-ci compile error
Merge pull request #3502 from boyu0/iss2727_performance_node_test

closed #2727: Edit CCProfilling and PerformanceNodeChildrenTest for performance test