add @Override annotation

Signed-off-by: Rémi Parain <rparain@ubidreams.com>
update version to snapshot
quality code review : generic exceptions and naming convention
Merge branch 'ooloo' of github.com:jetien/coffee-mill-maven-plugin into ooloo
quality code review : replace tab characters
quality code review : white spaces, private constructor for Utils and statements nested too deeply
quality code review : private constructor for Utils and respect java conventions
change tab to space

Signed-off-by: Rémi Parain <rparain@ubidreams.com>
Merge pull request #34 from jetien/ooloo

Ooloo