Migrate the codes from the imp/report_validate branch
migrate the code related into APIs for reprot from the imp/report branch
Add the test case of deleting Client Number reports
Move FUNCTION() to Ratutils module
Exploit FUNCTION() from Ratutils module in LLDP test suite
Exploit FUNCTION() from Ratutils module in AAA test suite
Exploit FUNCTION() from Ratutils module in multiple cluster test suite
Exploit FUNCTION() from Ratutils moduule in configuration AP zone test suite
Add the mechanism of returning error message in multi-thread object