Merge pull request #122 from skizhak/R1.10

fixed issue with number of monitors on infobox.
fixed forceRefresh cache data for Storage summary
:wqremoved calculating average bw for disks host tree
Fixed the getAvgBW to single OSDs
Calculated and added Average BW of individual osds for Storage nodes
Merge pull request #125 from surakula/R1.10

Calculated and added Average BW of individual osds for Storage nodes
fixed resultJSON length undefined bug
fixed resultJSON length undefined bug
changed avg-bw no data default values to NA
fixed empty with Not Available data
added avg-bw to storage node details pay load
adding support for Y-axis change to support avg-bw
total disk space is replaced with total avg bw (read bw + write bw)
storage node avg_bw will be cumulative sum of all the disk read and write bw.
updated storage nodes, storage node details, and disks scatter charts.
updated tooltips and new tooltip template to accomodate the wider label value pair for disks and storage node.