- Update to version 1.0.0+git.1563850814.a60fa47:
* Update readme doc and usage printing
* correct some grammer typo of design_document.md
* Add the design document of o2locktop
* add support for ocfs2 debug version 3
* When hang, in the simple mode, show the max hang time
* optimize the display
* optmize the display when detecting hang lock
* When hanged, show the hang time
* If the lock is hanged, use - to show it
* Make the debug version detection more flexible