Drop node info in favor to node list

 * node info is no longer available. Use node.list + app.info
 * node can now return application list
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.