Merge pull request #184 from bytekast/PDI-11555

[PDI-11555] Add generic utility methods to traverse TreeBrowserModel and RepositoryFileTreeDto
[PDI-11158] Fixed a bug in the folderBrowser where it was assuming the existence of children at every level.
Merge pull request #185 from rfellows/AngularDirectives

[PDI-11158] Fixed a bug in the folderBrowser where it was assuming the existence of children at every level.
[PDI-11158] Adding a spinner to the folderBrowser
Merge pull request #187 from rfellows/AngularDirectives

[PDI-11158] Adding a spinner to the folderBrowser
PDI-11158 - Build re-usable Browse widget

Added some WIP methods to controller for static folder adding.  Need to update these when rest service is wired in.
Merge pull request #189 from jeffreythomas/dev

PDI-11158 - Build re-usable Browse widget
[PDI-11158] - Build re-usable Browse widget

Added more error handling to add folder, cleaned up unused template.html.
Merge pull request #190 from jeffreythomas/dev

[PDI-11158] - Build re-usable Browse widget
[ANALYZER-2411] -- Ensured to only retrieve colors for inner rings for sunburst
Merge pull request #191 from krivera-pentaho/dev

[ANALYZER-2411] -- Ensured to only retrieve colors for inner rings for s...
[PDI-11828] Add the ability to toggle on/off the publishing of views
Merge pull request #192 from rfellows/AngularDirectives

[PDI-11828] Add the ability to toggle on/off the publishing of views
[PDI-11158] - Build re-usable Browse widget

Updated spinner code.
Merge pull request #193 from jeffreythomas/dev

[PDI-11158] - Build re-usable Browse widget
[PDI-11555] Add owner property to TreeBrowserModel