relicense to LGPLv2+

cullmann@altair:/local/cullmann/kf5/src/kate> ../kde-dev-scripts/relicensecheck.pl part/script/katescriptaction.cpp
Need permission for licensing:

- lgplv2+: michalhumpula
michalhumpula (   6 LOC): 51256c99,cf783245,b67dd4e9,816bcd0b,b570690e,5016261b

cullmann@altair:/local/cullmann/kf5/src/kate> ../kde-dev-scripts/relicensecheck.pl part/script/katescriptaction.h
Need permission for licensing:

- lgplv2+: michalhumpula
michalhumpula (   4 LOC): 51256c99,b570690e

Michal Okd