Merge pull request #130 from skizhak/R2.0

adding support for Y-axis change to support avg-bw.
Merge pull request #131 from Juniper/R2.0

Average BW for scatter chart merge to masterR2.0
Closed Bug #1393994

Implemented the backgrounds jobs to cache OSDs, Storage Node and Tree data
Individual details will read/retrive from cached objects
Merge pull request #132 from surakula/master

Closed Bug #1393994
Merge pull request #133 from Juniper/master

Close Bugs# 1389448 Merge to R2.0
1. added lazyLoading for the Disks grid
2. fixed row expansion for disk details
bug fixes and enhancements
1. added storageDisksDS, storageDisksTreeDS to globalObj datasource for tenant storage disks and disks tree.
2. dataview for disks grid, disks scatter chart and disks tree are now populated from storageDisksDS, storageDisksTreeDs.
3. moved and refactored parse and helper functions to tenant_monitor_storage_utils.js
4. fixed issue with individual diskActivity charts.
    1. hash change needs to be triggered only when disk drill down from the infra storage node details.
    2. clean up disk timer for exisiting activity fetches
    3. refresh disk chart views only if they are initialized.
Merge pull request #134 from skizhak/master

Bug fixes and enhancements
1. changed the storage-summary job url to storage-topology-summary
2. removed the building osd/host tree background jobs and its respective methods
3. instead use the already existing storage-toplogy-summary cache data.
4. some minor clean up
Merge pull request #135 from surakula/master

refactor/recalculating Disks-host tree objects
Merge pull request #136 from Juniper/master

merge from master to R2.0
Add .gitreview for CI
Fix for PR #1398262 - when the node data points has huge difference in avg_bw some of the nodes are not getting displayed in scatter chart
1. converted all the parsed data values to bytes and used FormatByteAxis to autoscale to the right unit.
2. fixed all the scatter charts to reflect the dynamic Y axis unit
3. added destroy funtion for the infra storageNodes class for cleanup

Change-Id: Iab6436803c092bc769ab57703535f53208d38e4b