log/report format option accepted,

report selection logic moved in class method
log/report separated into different stream stdout/stderr


[SVN r17357]

libs/test

@@ -1 +1 @@
-Subproject commit 607b63f4a5470d89e7210baf41a6838d8580ce16
+Subproject commit 2aeca46ed3a77aabe7a0813ad33e95997c762f78