Update git submodules

* Update org.eclipse.mylyn from branch 'master'
  to 4b07e443e33fe2804c65a607efef96a548f3c867
  - 549699: [release] Release Mylyn 3.26
    
    Change-Id: I8c7b2497874cf028a4e5242be37118a75db4ad43
    Task-Url: https://bugs.eclipse.org/bugs/show_bug.cgi?id=549699
    Signed-off-by: Frank Becker <eclipse@frank-becker.de>
1 file changed