[MERGE] Move the shelve docs from bzrtools to the main help.

[Ian Clatworthy]

Ian Clatworthy has voted approve.
Status is now: Approved


For details, see: 
http://bundlebuggy.aaronbentley.com/project/bzr/request/%3C1236838056.17616.3.camel%40flash%3E
Project: Bazaar