Bug 296392 - [category] Support for nested categories

- based on https://git.eclipse.org/r/#/c/80289/
- fixes issues in bugzilla comment 14
- #1 & #2 - same bug
- #3 - expands first level of moved tree by default
- #4 - added remove button (in addition as is in context menu) and
removal seems to work
- tree is now properly expanded and new category preselected when "New
Category" (top level or nested) is created 

Change-Id: Ic29b08e1214dbb5a5bb62a3f106883ec50f1682a
Signed-off-by: Martin Karpisek <martin.karpisek@gmail.com>
10 files changed
tree: 5c23042b5a4b2710025b1fc35d7e9de19e49ac7a
  1. apitools/
  2. ds/
  3. features/
  4. releng/
  5. tests-pom/
  6. ua/
  7. ui/
  8. .gitignore
  9. pom.xml
  10. README.md
README.md

Contributing to PDE - Plug-in development Environment

Thanks for your interest in this project.

Project description:

The PDE project the Eclipse tooling to develop plug-ins and OSGI bundles.
Website: https://www.eclipse.org/pde/

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Contributions to PDE are most welcome. There are many ways to contribute, from entering high quality bug reports, to contributing code or documentation changes. For a complete guide, see the [How to Contribute] 1 page on the team wiki.

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