Update to reflect changes in
https://git.reviewboard.kde.org/r/115499
Krfb modified to move away from invite-model, and modeled as a service that can be started/stopped.
remove unused entities, pngs + appendix
new screenshots
remove krfb/ui/invitewidget.ui - unused
REVIEW:128528
Losslessly optimize file size of *.mng and *gz files in /trunk/KDE/kdenetwork with advdef -z -4.
Total *.png file size goes to 2746375 from 3357534 (-18.20%).
Total *.mng file size goes to 114658 from 115504 (-0.73%).
Total *gz file size goes to 24786 from 25939 (-4.45%).
For more info see bug 122897.
svn path=/trunk/KDE/kdenetwork/doc/krfb/; revision=518176