[MERGE/RFC] A bit more info for 'lsprof' about index action

[Aaron Bentley]

Aaron Bentley has voted tweak.
Status is now: Conditionally approved
Comment:
I guess it's okay to structure our code to aid profiling.  It feels a 
little dirty.  Please add comments to the local functions, explaining 
why they exist.

For details, see: 
http://bundlebuggy.aaronbentley.com/project/bzr/request/%3C48E5482F.9020009%40arbash-meinel.com%3E
Project: Bazaar