Rename a the method from getNumberOfComponents() to getNumberOfGlobalComponents()
in class LocalToGlobalIndexMap.

Fixes multiple copyright messages in the doxygen docu.

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

Just move and rename the namespace.

This does not address the issue of creation of double
typed parameters.

Clang format run on near-the-header lines.

Happy New Year

This potentially saves a second copy compared to using const
reference. See Effective Modern C++, Item 41.