Renamed and split to 0install and 0install-core

TODO:

* We need 1.11 to make it work reliably without the GUI
1.11
Don't install NT file
Fix some Lintian warnings
Updated Debian watch file

Doesn't actually work, as it matches runenv instead for now.
Merge branch 'master' into debian-split
Merge remote-tracking branch 'origin/master' into debian-split
Merge branch 'master' into debian-split

Conflicts:
	debian/changelog
	debian/control
	debian/rules
	makedeb.debian