coretools: [404954] fix MANIFEST.MF warnings, and feature branding

Adding a J2SE-1.5 BREE, and registerig it.
Fixing older syntax from MANIFEST.MF.
Adding about.properties/ini/mappings to build.properties.
Adding plugin.properties for localization:plugin.
7 files changed
tree: d056fc2d0eb03b805702e921b642fa94a9afd565
  1. bundles/
  2. features/
  3. tests/
  4. .gitignore
  5. pom.xml