This is the 1st step to supporting HDFS Tiering
Changes:
Add new mounted folder icon. Will have separate commit for file icon
Disable delete/mkdir/upload for mounted files and folders
Disable delete for root HDFS folder (this was added in error)
* added initial data explorer viewlet
* added dataexplorer contribution point
* removed test view
* remove unused imports
* added flag and tests
* CR comments
* added icon for data explorer
* Initial work of adding tab in the dashboard (#526)
* refactor dashboard to have the home tab
* formatting
* fix grid layout issue
* fix initailize issue in database dashboard
* Add action bar to the panel and add close tab to the dashboard (#562)
* add action bar to the panel and add close tab to the dashboard
* formatting
* Tab contribution (#564)
* added contrib
* disabled edit for extensions; fixed new name for insights contrib
* fix merge issue
* move file
* formatting
* fix builds
* moving imports
* Expand on tab contrib (#581)
* added contrib
* disabled edit for extensions; fixed new name for insights contrib
* fix merge issue
* move file
* formatting
* fix builds
* adding to contrib
* updated contrib
* format
* moving imports
* updated contribution to map to current design
* implemented actually using provider and edition filtering
* Refactor and fix issues in close tab and add the placeholder for pin tab (#588)
* refactor and fix issues in close tab and add the placeholder for pin tab
* formatting
* remove the redundant code
* add clear all tabs in dashboard page init
* Initial work for adding a feature tab dialog (#594)
* initial work for add new dashboard tab
* formatting
* fix add panel action issue
* fix breaking change
* fix issues and tab and panels
* formatting
* minor fix
* address comments
* Add tab status to add extension tab dialog (#610)
* add tab status to add extension tab dialog
* add tab status to add extension tab dialog
* rename add feature tab action
* address comments
* Webview widget (#618)
* getting closer
* webview widget now works
* fix problem with rerendering webview
* formatting
* ensure that webview only shows up for extensions
* formatting
* comments
* fix more compile issues
* Change dashboard page init (#640)
* changed init of serverpage
* formatting
* Webview tab (#638)
* getting closer
* webview widget now works
* fix problem with rerendering webview
* formatting
* ensure that webview only shows up for extensions
* formatting
* comments
* fix more compile issues
* refacting stuff
* added inital webview tab
* piped through messaging and tested
* Implement pin/unpin feature and always on tabs (#629)
* implement pin/unpin feature
* fix issue where insight can't be loaded after reopen
* fix tab look and feel
* implement always show tabs
* make AddFeatureTabAction to track always show and pinned tabs
* formatting
* make dashboard tabs looks like the UX design
* load always show before pinned tab
* fix regression in panel for restore and connection dialog
* fix merge conflict
* don't worry about no widgets if its a webview (#656)
* expose the dashboard server info when a webview is rendering (#644)
* Fix few issues in dashboard command center (#655)
* fix reloading insight wigets and create new tab when there is no extension
* show possible tabIDs in the setting file
* formatting
* address comment
* fix import name
* fixes problem with size of webview widget being wrong (#654)
* Refactor tab contribution to support content type (#685)
* refactor tab contribution to support content type
* formatting
* address comment
* fix rendering tab issue (#694)
* Add layout option to panel for supporting horizontal and vertical navigation bar (#700)
* Add left navigation panel for inner tab in the dashboard
* add layout option in panel
* remove panel option in dashboard Page
