Update HTTP to HTTPS for Maven central URLs

Change-Id: I0e848c5e76c19836a2003770f4e3e15e48c14ae1
(cherry picked from commit 52d13f339c17e67922308c5806374a450854a3e6)
diff --git a/tools/package/etc/org.ops4j.pax.url.mvn.cfg b/tools/package/etc/org.ops4j.pax.url.mvn.cfg
index 15167a3..dca7904 100644
--- a/tools/package/etc/org.ops4j.pax.url.mvn.cfg
+++ b/tools/package/etc/org.ops4j.pax.url.mvn.cfg
@@ -92,7 +92,7 @@
 #
 org.ops4j.pax.url.mvn.repositories= \
     ${org.ops4j.pax.url.mvn.defaultRepositories}, \
-    http://repo1.maven.org/maven2@id=central, \
+    https://repo1.maven.org/maven2@id=central, \
     http://repository.springsource.com/maven/bundles/release@id=spring.ebr.release, \
     http://repository.springsource.com/maven/bundles/external@id=spring.ebr.external, \
     http://zodiac.springsource.com/maven/bundles/release@id=gemini, \