custom settings for scala2.10

Signed-off-by: noboru kudoh <noboru.kudoh@gmail.com>
add log4j configuration

Signed-off-by: noboru kudoh <noboru.kudoh@gmail.com>
move sample code

Signed-off-by: noboru kudoh <noboru.kudoh@gmail.com>
Updates readme file

Signed-off-by: noboru kudoh <noboru.kudoh@gmail.com>
add out directory

Signed-off-by: noboru kudoh <noboru.kudoh@gmail.com>
add mahout logger
add dependency slf4j

Signed-off-by: noboru kudoh <noboru.kudoh@gmail.com>
modify recommender and add evaluator

Signed-off-by: noboru kudoh <noboru.kudoh@gmail.com>