relicense LGPLv2+

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

- lgplv2+: michalhumpula
michalhumpula (   2 LOC): c6eb749d

=> OK

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

- lgplv2+: jtamate apol michalhumpula
michalhumpula (  23 LOC): f7ce8eb3,76c38ea4,2ed44973,51256c99,c6eb749d,e488559b,701f8a34

=> OK