[PATCH 1 of 7] context.status: remove overriding in workingctx

[Sean Farley]

Sean Farley writes:

> Martin von Zweigbergk writes:
>
>> # HG changeset patch
>> # User Martin von Zweigbergk <martinvonz at google.com>
>> # Date 1414097000 25200
>> #      Thu Oct 23 13:43:20 2014 -0700
>> # Branch stable
>> # Node ID d68ec9fdce58cb01ec349e2731cf09247b10f436
>> # Parent  cc1cbb0bba8ed1d95c8f1b8e27d4d2893e0dcca7
>> context.status: remove overriding in workingctx
>
> Overall, I strongly think this series is moving in the wrong
> direction.

After some IRC discussion, I took the time to test some of my memctx WIP
with these changes and it's not as bad as I initially worried. This
patch series cleans up some (arguably over-designed) parts of status
that I'm ok with dropping.