Histrograms should use the count search type when they only rely on facets.
Always show the refresh button

If one sets auto reload to 10m, it may still be handy to be able to refresh. Especially so because reloading the page would loose the current dashboard if not saved.
Add support for version suffixes (like RC1 & Beta) to esVersion parsing & comparison
Merge remote-tracking branch 'bleskes/hist_search_type_count' into boaz
Merge remote branch 'upstream/master'