Merge branch 'release/1.1.0-b54'

* release/1.1.0-b54:
  Minor bump to version 1.1.0-b54
update header

Signed-off-by: Sebastien Varrette <sebastien.varrette@uni.lu>
update LNCS proceedings

Signed-off-by: Sebastien Varrette <sebastien.varrette@uni.lu>
correct release date for the IJSSE paper

Signed-off-by: Sebastien Varrette <sebastien.varrette@uni.lu>
update volume info of IJSSE journal

Signed-off-by: Sebastien Varrette <sebastien.varrette@uni.lu>
Patch bump to version 1.1.1-b60

Signed-off-by: Sebastien Varrette <sebastien.varrette@uni.lu>
Merge branch 'release/1.1.1-b60' into production

* release/1.1.1-b60:
  Patch bump to version 1.1.1-b60
  update volume info of IJSSE journal
  correct release date for the IJSSE paper
  update LNCS proceedings
  update header