ocperf/toplev: Print user event modifiers in valcsv output

event_download: Ignore extra CSV fields in mapfile

Fixes #410
Fixes #408

toplev: Do not print non computed nodes

other-tester: Switch dygraph url to cloudflare

cleanlogs: Remove tltest* too

Merge pull request #126 from lsandoval/specify-python2

Specify python version to execute scripts

Revert image link to non https

toplev: Cleanup. Create propagate_siblings.

toplev: Update TMAM version number to 3.1

event_download: Support --link and download all files