Send resources updates at least five seconds apart.
Release workers in wq_reset() instead of just cleaning them up. This is a short
term fix for bug #282.
Release workers when we disconnect from a master. This clears out the data in
the links and sockets and is a short term fix for bug #282.
Clarify the documentation for wq_reset().
Merge pull request #283 from dpandiar/cclmaster

Short-term fix for #282.
Fixes to previous commit.

- Unused variables.
- Missing prototype.
Merge pull request #285 from btovar/wq_throttle_resources_msgs

Send resources updates at least five seconds apart to lower the chances of saturating the master link while the master is busy doing something else.