Don't call path.exists if output_dir is None
fix process guard
Install meliae on the virtualenv
Fix libtorrent install checking
Some fixes for libtorrent build
Implement optional memory profiler for python processes in gumby.
More stuff to fix meliae install
Add scripts dir to path
Only profile a few of the instances to not generate 36GB datasets for a
10 minute experiment.
Fix strict mode
Flush stdout so the "starting thing" doesn't get printed at the end of
the file.
Be a bit more verbose if we are missing some config variable
Add objdump support
Fix upstream rebase error
Small fix for the objgraf stuff
Enable memory profiling, manhole and objgraf in the local allchannel experiment.
Stop the join looping call when we manage to join the community.