remove log file appending

Signed-off-by: Markus Lamm <markus.lamm@googlemail.com>
Added ProfileServiceImpl and validator

Signed-off-by: Markus Lamm <markus.lamm@googlemail.com>
ProfileService integration testing

Signed-off-by: Markus Lamm <markus.lamm@googlemail.com>
got rid of legacy index with template method in BaseService, use
@NodeEntity on BaseEntity 

Signed-off-by: Markus Lamm <markus.lamm@googlemail.com>