Update rietveld references in catapult docs to Gerrit.

Update rietveld references in catapult docs to Gerrit.

This CL is to be submitted September 27, the day of the migration.

[sullivan, 2017-09-18 19:53:53]

sullivan@chromium.org changed reviewers:
+ agable@chromium.org

[agable, 2017-09-18 20:03:05]

LGTM.

On the 27th it is likely that I will 'git cl patch' and re-upload this change on
Gerrit as one of the changes I use to test the new ACLs and CQ configuration. If
I do so, I'll provide a link to that change here and TBR it to you.

[sullivan, 2017-09-18 20:03:37]

On 2017/09/18 20:03:05, agable wrote:
> LGTM.
> 
> On the 27th it is likely that I will 'git cl patch' and re-upload this change
on
> Gerrit as one of the changes I use to test the new ACLs and CQ configuration.
If
> I do so, I'll provide a link to that change here and TBR it to you.

sgtm.

[guptaromi2529, 2017-09-28 04:45:27]

On 2017/09/18 20:03:37, sullivan wrote:
> On 2017/09/18 20:03:05, agable wrote:
> > LGTM.
> > 
> > On the 27th it is likely that I will 'git cl patch' and re-upload this
change
> on
> > Gerrit as one of the changes I use to test the new ACLs and CQ
configuration.
> If
> > I do so, I'll provide a link to that change here and TBR it to you.
> http://printablecalendartemplates.com/free-fax-cover-sheet/
> sgtm.