Add Congressional Barbershop at Congressional Plaza.

Various improvements to Congressional Plaza (see changelist comment for details).

Montrose Crossing: add name, and it is overwhelmingly retail.

Loehmann's Plaza: Move landuse=retail tag to new area that includes the building and add name.

Decided the Keedysville Library parking is better mapped as a single area, not all of which is usable.

Map parking and charging stations at Whalen Commons in Poolesville.

Add charging station in Middletown municipal parking.

Add charging station at Boonsboro Town Hall.

Add parking, path, and charging station at Keedysville Library.

Rename "Firehall Alley" in Boonsboro according to sign.

Center Street in Boonsboro is one-way northbound until the parking entrance.

Some parts of Sewer Plant Road are footways, not roads.

Various fixes to downtown Middletown (see changeset comment for explanation).

Beall Street in Poolesville is signed one-way westbound.

Mark roads in Madison Fields as private and remove "Mouth of Monocacy Road" name.

Add Subway on Nicholson Lane (very rough coordinates).

Add opening hours for Subway at Loehmann's Plaza.

Fix name of a segment of Citadel Avenue.

Add bicycle parking at Potomac Woods Plaza.

Fix layout of office building junction on Tower Oaks Boulevard: it's a normal dual carriageway junction.