return false in on-click for util popup

this prevents the '#' in the URL
hypervisor planner now accepts a node name

the results will list the number of similar nodes on each hypervisor
based on a regex match. it parses out the node name and usees that to
provide feedback to the UI.
removed unused, empty function.
have the hypervisor similar vm counter less picky

you can pass it a hash or whatever. it works. cool.
implement similar VMs in hypervisor planner API
index the switch field even on VMs
show number of similar VMs on switch in API
added similar vms on switch count column to UI
make hypervisor planner results sortable
re-added some inadvertently deleted code.
Merge pull request #31 from optopus/TOOLS-53/hypervisor-planner

Tools 53/hypervisor planner
better checks for presence of name for planner
Merge pull request #32 from optopus/fix-planner

better checks for presence of name for planner