Open 6666 for homer/homestead
Merge pull request #76 from Metaswitch/stats

[Reviewer: Rob] Open 6666 for homer/homestead
Fix GR memcached configuration
Always install stats package with clearwater-sip-stress
Multiple quiescing fixes:

 * Corrected variable binding
 * More reliable process detection
 * Better comments
Back out incorrectly-committed file
Merge pull request #77 from Metaswitch/fix-quiescing

`undefined local variable or method `expected'` finishing a re-size operation
Merge pull request #78 from Metaswitch/memcached-gr-fixes

[Reviewer: Mike] Memcached GR fixes
Pause for 5 seconds between each schema change, and retry after SchemaDisagreementException
Remove extra newline
Merge pull request #80 from Metaswitch/issue79

[Reviewer Andy] Pause for 5 seconds between each schema change, and retry after SchemaDisagreementException
Run chef-client niced when clustering boxes
Make un-nicing work for positive and negative values
Code review feedback
Merge pull request #81 from Metaswitch/issue75

[Reviewer Andy] Run chef-client niced when clustering nodes
Fix backups
Merge pull request #84 from Metaswitch/crest_issue113

[Reviewer: Alex] Fix backups