indexOverview wip
move 'new index' functionality to the index management screen
tables have titles
Update build dependencies
upgrade jasmine spec runner
also watch Gruntfile
add mock setTimeout and setInterval for specHelpers
ensure splitButtons panels are always cleaned up
extra predefs for linting
extract refreshButton as a component
cluster overview should not be interactive when auto refresh is enabled
Refresh button fires change even when refresh value changes
Cluster overview should only gather new data when it needs to
merge fixes