* Add the verify option for \xff\xff/worker_interfaces
* Remove unused code
* update documentations
* update documentations
* solve comments from review
* update some of the comments to be more clear
* proof of concept
* use code-probe instead of test
* code probe working on gcc
* code probe implemented
* renamed TestProbe to CodeProbe
* fixed refactoring typo
* support filtered output
* print probes at end of simulation
* fix missed probes print
* fix deduplication
* Fix refactoring issues
* revert bad refactor
* make sure file paths are relative
* fix more wrong refactor changes
Only fetch requested worker interfaces in rebootWorkerActor
Add killall test to multiprocess_fdbcli_tests
Make the rebootWorker only sends requests if all the requested workers are valid
Add comments; Organize print texts; Fix the bug clear the map every time run kill/suspend/expensive_data_check
Chaoguang Lin