[New features] create file hadoop_api.c
 [Refactoring] add function
 [Bug fixed] fix init bug
 [New features] create file "analyzer_handler.c"
 [Bug fixed] fix init bug
 [New features] create file "  analyzer_manager.c"
 [Bug fixed] fix init bug
 [New features] create file "API document "
Merge branch 'analyzer_handler' into analyzer_manager
 [New features] create file computing_center.c
[Refactoring] modified init
[Refactoring] modified computing
[Refactoring] modified computing_center
[Bug fix] fix computing bug
[Bug fix] fix computing_v2 bug
Merge branch 'hotfix' into computing_center

Conflicts:
	computing_center.c
Merge branch 'computing_center'
Merge branch 'analyzer_manager'