[WFCORE-438] The CLI freezes in phase of requesting username/password

- solves repetitive authentication attempts during reload command when incorrect credentials are given
[WFCORE-439] : Wrong format of IPv6 addresses in log entries

Log entries now have URI formatted addresses.
Merge pull request #369 from TomasHofman/master

[WFCORE-438] The CLI freezes in phase of requesting username/password
Merge pull request #370 from ehsavoie/WFCORE-439

[WFCORE-439] : Wrong format of IPv6 addresses in log entries
[WFCORE-250] Use the log file resources and streaming API to download log files. Removed the log viewer button.