Build for Eclipse 2020-12

1. edebff3 Bug 547849 - add <superBase> declarations are suggested by the new validation by Stephan Herrmann · 3 years ago
2. 2276b5d Adapt to change in pde.ui: plugin icon gif->png (impl & tests) by Stephan Herrmann · 7 years ago
3. 672a4e5 API consolidation: - nothing public in this plugin by Stephan Herrmann · 11 years ago
4. 241a573 More API cleanup by Stephan Herrmann · 11 years ago
5. 0166441 initial commit in accordance with CQ 3784 by Stephan Herrmann · 12 years ago