[m-rev.] for review: announce that the C# and Java back-ends bootstrap

[Julien Fischer]

For review by anyone.

Announce that the C# and Java back-ends bootstrap.

NEWS:
    As above.

Julien.

diff --git a/NEWS b/NEWS
index c13728a..230e677 100644
--- a/NEWS
+++ b/NEWS
@@ -1195,6 +1195,10 @@ Changes to the Mercury compiler

  ### Other changes

+* The C# back-end now bootstraps.
+
+* The Java back-end now bootstraps.
+
  * Class files generated for executables in the Java grade are now automatically
    packaged up into Java archives (JARs).