Merge branch 'dt-dev'
Merge branch 'dt-dev'
added float to widgetDef
removed hardcoded height from less file
MLHR-1118 #resolve
Merge pull request #9 from DataTorrent/storage-hash.MLHR-1118

Added storageHash property to page
Merge branch 'dt-dev' into last_n_events.MLHR-1116
fixed tests for BasePageView
Merge pull request #10 from sashadt/dt-dev

Dt dev
Merge pull request #11 from DataTorrent/storage-hash.MLHR-1118

Fixed tests for BasePageView
MLHR-1102 #resolve
Merge pull request #12 from DataTorrent/HDFS_permissions.MLHR-1102

Improved DFS Directory creation error (Permission Denied)
updated height, width of AppInstancePageView widgets, fetching last n events
MLHR-1119 #resolve #comment added check before killing application master container
moved position of datetime picker in stramevents
added error notification for date range
added storage to stram events
fixed getting last n events
fixed d3 issue
updated deps, viewMode now tracked by localStorage