Since go1.8 os.RemoveAll and os.MkdirAll both support long
path names i.e UNC path on windows. The code we are carrying
was directly borrowed from `pkg/os` package and doesn't need
to be in our repo anymore. As a side affect this also
addresses our codecoverage issue.
Refer #4658
This makes lock RPCs similar to other RPCs where requests to the local
server bypass the network. Requests to the local lock-subsystem may
bypass the network layer and directly access the locking
data-structures.
This incidentally fixes#4451.
* Add test coverage for removeEntry and removeEntryIfExists
* Initial test framework for Lock/Unlock functionality
* Add clarification comments
* Add test coverage code for RLock() and RUnlock()
* Add test coverage for Expired() function
* Have all lock-rpc-server test functions start with the same prefix
* Properly initialize JWT security token
