[MERGE REQUEST] Miscellaneous fixes

[Brian M. Carlson]

revno: 1321
<simply a merge from the canonical branch>

revno: 1320
message:
  Ignore the removal of a file if it doesn't exist.

revno: 1319
message:
  Fix bug in selftest so it uses the proper exception, one that actually 
exists.

revno: 1318
message:
  Modified docs and code to use new configuration location.

revno: 1317
message:
  Fixed broken self-test by using map(str, foo) instead of list(foo).


The following is from where you can pull it.  Please be gentle; I'm on a cable 
modem.  And no, rsync doesn't work, sorry.

http://crustytoothpaste.ath.cx/~bmc/version-controlled/bzr/bzr.ubuntu/

The "ubuntu" just means that that's the operating system that I'm running on 
my main machine at the moment (as opposed to bzr.debian, since I have two OS 
partitions).  The repository will be signed just as soon as that's possible 
in bzr.