[BACKLOG-610] - CLONE - OSGIBoot writes invalid URL to log4j.xml on manual deployment

url should start with "file:/", not "file://"
Merge pull request #1988 from aliakseihaidukou/BACKLOG-610-5.2

[BACKLOG-610] - CLONE - OSGIBoot writes invalid URL to log4j.xml on manu...