Fixed ZEN-11510 issue
ZEN-11332. Catch 500 error and show only message instead of traceback
Fixes ZEN-11239:
1. WinRM doesn't return results for counters with utf8;
2. ZEP doesn't handle events for components with unicode endpoints;
3. Event summary is not full, utf8 encoded words are missed.
Fixes missing counters detail field.
added new datasource
Merge branch 'release/2.1.0' into develop
post release: 2.1.0 -> 2.1.1dev
Finished event collection
updating documentation
ZEN-10587, better error message for ConnectionLost error
Merge pull request #171 from ssbunyk/develop

ZEN-11332. Catch 500 error and show only message instead of traceback
Merge pull request #172 from zenoss/ZEN-11239

Fixes ZEN-11239
release: version 2.1.1dev -> 2.1.2dev
ZEN-10586 fix message for https error
removed old datasource
updated tests and severity mapping
forgot to add mock
adding reference to txwinrm documentation about configuring windows
Merge remote branch 'upstream/develop' into develop
commited mock into wrong branch