Moved disk resource services GIN code to ui-commons
Switched to model based diskResourceExist service call
Switched to using DiskResourceExistMap.get() method
Replace DiskResourceAutoBeanFactory.INSTANCE with local instance
core-4523 imporve text for search data
Switched to using DiskResourceServiceFacade#getRootFolders.
Merge branch 'master' of https://github.com/iPlantCollaborativeOpenSource/ui-disk-resource-module
core-4428 implement remember last path
Merge branch 'master' of github.com:iPlantCollaborativeOpenSource/ui-disk-resource-module
Updated code so that it works with the modified DiskResourceService

It know provides an AsyncCallback<HasPaths> to
DiskResourceServiceFacade#deleteDiskResource method.
core-4489 added empty container text.
CORE-4456 Enabled center folder nav. in File Selectors.

Refactored DiskResourceNameCell::setHyperlinkEnabled into a setPreviewEnabled method, and to only disable Selection events and hyperlink styling for File resources when Preview is disabled.
Renamed the disableDiskResourceHyperlink method in DiskResourceView and its Presenter and Builder to disableFilePreview.
Added a 'caller' parameter to DiskResourceNameCell that is passed to DiskResourceSelectedEvents, so that DiskResourcesEventHandler only handles events triggered from a single source.
CORE-4547 Fix OK button enable in FileSelectDialog.

Updated FileSelectDialog to only enable the OK button when valid files have been selected.
CORE-4474 Updates for ErrorAnnouncementConfig changes.
Merge branch 'master' into STABLE