#8 added slf4j, log4j2 support, use jetty 9
Update README, shows maven exec plugin usage.
#8 clean up unused imports.
Merge
Merge remote-tracking branch 'origin/master'
Merge branch 'master' of https://github.com/jonbullock/JBake
Merge pull request #36 from s17t/master

Fix #8 and more