next ppa

[Harald Sitter]

as discussed at that meeting we had somewhere we now have a ppa for
future development of preparation of the next integration

https://launchpad.net/~kubuntu-ppa/+archive/next

also to quickly recap the motivation here:
- kf5 is supposed to land in the archive soonishery
- workspace components go into the next ppa
- 14.10 official releases with 4.14.x; a secondary iso with next
content is provided additionally

HS