Bug 539772: [SourceEditor, Templates] Revise some LTK editor assist
and templates code

  - Correct names
  - Add use of nullable annotations
  - Replace deprecated class of org.eclipse.jface.text.templates by
    org.eclipse.text.templates if possible
  - Fix potential NullPointerException in ElementNameCompletionProposal

Change-Id: Ie44aa5fbfa96bfbc1f4476ed31b81385abc5680a
26 files changed
tree: a829c6fe35d117f31714c8eba7042d9a9b8647e9
  1. .settings/
  2. ltk/
  3. .project