* Switch Nearest neighbors server implementation from Play to Vertx Signed-off-by: AlexDBlack <blacka101@gmail.com> * No more scala version suffix for nearest neighbor server Signed-off-by: AlexDBlack <blacka101@gmail.com> * logback.xml fixes Signed-off-by: AlexDBlack <blacka101@gmail.com> * Header tweaks Signed-off-by: AlexDBlack <blacka101@gmail.com>