Update git submodules

* Update org.eclipse.mylyn from branch 'master'
  to 31dcdd8d2d1d758ba18fb92a7e78f4aa948736ab
  - 572500: replace dl.bintray.com with new locations
    
    Change-Id: I38a54a2c06d7e48049cc850c4f9fac6fb3039396
    Task-Url: https://bugs.eclipse.org/bugs/show_bug.cgi?id=572500
    Signed-off-by: Frank Becker <eclipse@frank-becker.de>
1 file changed