And here's a related thread:
https://www.backyardchickens.com/t/723758/great-news-in-montgomery-county-md/10#post_10590384
This was about a discussion of the pending new zoning rules.
Here is some more information...
Here's the page from the MC Planning Commission about an overall update to zoning changes, intended or final review by the City Council in May 2013.
http://www.montgomeryplanning.org/development/zoning/interact.shtm
The calendar says there was a work session...