Reorder 'deployment resize --finish' processing so nodes are deleted before sprout reclustering finishes
Display status of sprout nodes joining memcached cluster
Disallow --*-count options with --finish option
Only display merge status for sprout nodes
Fix picky code review feedback
Merge pull request #67 from Metaswitch/issue65

[Reviewer Andy] Various issues in chef deployment resize function related to --finish option