toplev: clean up emap handling
toplev: dont break counter display
tl-tester: test csv and verbose mode
toplev: cleanups
toplev: only warn about kernel when using detailed model
ocperf: pebs fixes
ocperf: tester fixes
ocperf: support new style events
toplev: Improve output

- Only print groups with -g
- Always print all columns in csv mode (normalized)
- Add remark for no threshold
- set to zero in this case
tl-tester: test passing of flags