[509735] Move to Java 8 for the explorer.activity.ui plug-in

The integration with Sirius's aird editor requires a dependency to
Sirius 5.1, which itself requires Java 8, and allowing this explicitly
this will enable cleaner code.

Bug: 509735
Change-Id: I2563c5154a4bb21747ca5d7487d34261b8785fe5
Signed-off-by: Pierre-Charles David <pierre-charles.david@obeo.fr>
3 files changed
tree: 19b5614d49ae7ea9d6927d4b0dccf462aa7a723a
  1. features/
  2. plugins/
  3. releng/
  4. tests/
  5. .gitignore