GitLab

Ensure one mini-reading-cycle runs before getting the UI active
so we have two data points to get better meter measurements from
the get-go.

pass processlist flags to readOpenVZData (fixes build error)

but the current process will remain selected (so you can filter, choose and
then go back to unfiltered mode to see the children of that process).

Inspired by feedback at http://www.reddit.com/r/linux/comments/23wpc7/announcing_htop_103_with_new_features_bugfixes/ch1paos

Test by nesting 30 shells
Patch from ArchLinux. Closes #65.

For now rates won't be colored gray when zero; I'll think about that.