workaround for log user filter if select ME value

*if there are no HGUSER var and no ui config, then hg try to get another system variables as username (see ui.py), that why commit does not failed
IDEA-119721 License dialog to include JBA fields
IDEA-119372 Search results tree "looses" items while scrolling
Merge remote-tracking branch 'origin/master'
Logging
platform: file scope made tolerant to default project