merge r977548,978972,978974,979061,979864,985168 from e4.

there are some minor fixes to the invitation html that come with this commit
that need to be merged back into e4. I'll handle that.

Thomas, please record these.

MERGE: e4 (i'll take care of doing this by-hand)

svn path=/trunk/KDE/kdepimlibs/; revision=990069