Added logging through SLF4J/logback
Merged upstream changes
Added logback configuration
Added performance logging through a filter
Changed log tags
Merge branch 'master' of https://github.com/nickdk/cxf-example
Reformatted log messages
Added quotes for path
Updated README with SLF4J/Logback
Merge pull request #4 from jensdt/master

Logback + SLF4J integration