Merging keyboard event improvements into normal 3.5 branch.
This improves DOM L3 events support and compatibility with other browsers,
as well as fixes a couple of crashers.

Oh,and I even fixed some apidocs to not be blatantly wrong!
BUG:120408
BUG:118321

svn path=/branches/KDE/3.5/kdelibs/; revision=501078