ENG-6024: Add an initial round-trip to @UpdateApplicationCatalog to
ensure that the cluster sites are all synched up before we update any
global catalog state.
Merge pull request #1220 from VoltDB/eng6024

ENG-6024
r=jhugg
perf charts: support custom titles; support named series
Merge remote-tracking branch 'origin/master' into ENG-5545-CorrectHTTPClientDeallocation-2