Merge pull request #40 from 3Hren/v0.10

Drop node info in favor to node list
Drop node uptime as well.

Dropping node_t::info() also took away a place to display the node
uptime, so drop it as well.
Changelog bump.
RHEL version bump.
add /var/spool/cocaine to cocaine-owned dirs
Merge pull request #42 from diunko/patch-1a

add /var/spool/cocaine to cocaine-owned dirs