Fix rproxy and fproxy logging issues

Fix to rproxy and fproxy to allow the log file to be generated at runtime.
Changes to the sidecar pom.xml by adding logback-classic in the
dependency management
- Makes sure the correct logback-classic plugin version is pulled in from its transitive dependency
- Override the scope dependency that was recently set to test

Change-Id: I55ffee62e3e052c97fdda6d934cf3213473298b3
Issue-ID: AAF-781
Signed-off-by: bwong21 <bwong@amdocs.com>