Merge pull request #207 from pcpiela/master

Updates to the Cluster View
Apply hydrogenesis work from #206 and make a pretty pull request out
of it
Merge pull request #208 from cburroughs/apply-206

apply #206 for vvuksan and make a pull request
Fixed an issue when using the "same" option to scale host graphs with a custom time range. The axis limits were incorrectly computed using the last hour of data.
Complete the work to move the metric picker and sort menu to the host display toolbar.