[MERGE] Update PPA documentation and scripts

[Jelmer Vernooij]

Jelmer Vernooij has voted tweak.
Status is now: Semi-approved
Comment:
s/ccontrol/control

For bzr-svn you should ideally be merging /unstable rather than 
/experimental. /experimental was used for a while while lenny was 
frozen.

For details, see: 
http://bundlebuggy.aaronbentley.com/project/bzr/request/%3C20090525110521.GB11896%40inodes.org%3E
Project: Bazaar