Added apply logback.xml configuration to Logback service on sfc-provider initialization
Added '.hg' to .gitignore

configuration: logger for sfc-provider to sfc.log file and send messages to syslog server

Change-Id: Ibdcfc59bf89f53e486aca0645cd03205a67b78aa
Signed-off-by: malauko <malauko@cisco.com>