Update git submodules

* Update org.eclipse.mylyn from branch 'master'
  to 38d68ae4faa6a631603d6849c54bdc61057d2741
  - 537254: update org.eclipse.license from 1.0.1 to 2.0.0
    
    Task-Url: https://bugs.eclipse.org/bugs/show_bug.cgi?id=537254
    
    Change-Id: I9338ee508fbb9781e0befb49275e37056565e4c9
    Signed-off-by: frank <eclipse@frank-becker.de>
    
diff --git a/org.eclipse.mylyn b/org.eclipse.mylyn
index 3505dec..38d68ae 160000
--- a/org.eclipse.mylyn
+++ b/org.eclipse.mylyn
@@ -1 +1 @@
-Subproject commit 3505dec5afed5ecdf7bf02c8ff3574b9f24a7021
+Subproject commit 38d68ae4faa6a631603d6849c54bdc61057d2741