Update build configuration for RAP 3.0 M3

- Update Eclipse Platform references
  - Eclipse Platform 4.5 M3 (Mars M3) for Mars contribution
  - Unmodified: Eclipse Platform 4.4.1 (Luna SR1) for RAP 3.0 release
- Force update of feature qualifiers

Change-Id: Id242d1d84ad36f84255d43713a4106aeb5072e4a
Signed-off-by: Markus Knauer <mknauer@eclipsesource.com>