add no zero filling option to histogram
change function name
modify the function so that does not show 0, when two or more lines are drawn.
Fix undefined when batarang is enabled. Fix individual query counters in histogram panel
Merge pull request #742 from yamakatu/master

Fix for #741. add no zero filling option to histogram
Fixed jshinting
Merge branch 'master' of github.com:elasticsearch/kibana
working on more advanced dashboard/metrics/graf search