Document negative idle termination times, more detail on idle timeouts
Make the idle termination docs consistent between node editor and template
Note that new billing cycle is started by a stop/start
Fix error message: Said "terminate" when failing to stop an instance
Increase logging detail in EC2 retention manager

Report more detail about idle termination requests
Merge pull request #101 from ringerc/node-timeout-docs

Increase logging detail in node start, stop and retention