Code simplification and one less dereferencing at run time.

find *Lib -type f | xargs sed -i 'N;s%\(^\/\*\*\)\n \*$%\1%'

Fixes multiple copyright messages in the doxygen docu.

ag '\\file' -L --ignore=ThirdParty *Lib |xargs  sed -i 's/\(.*\)\\copyright/\1\\file\n\1\\copyright/'

This fixes a warning about implicitly deleted copy assignment.
A default copy assignment cannot be created with const
members.

 improvement in SerialExecutor