add crabtree gym

switch back a couple mistakes and add a park

update a couple streets near market common

Add a bridge on Rt. 110

change tagging on the future assembly square station to match the standard documented on the wiki. This is not a currently existing stop, so I don't believe it should have a railway=station tag.

change two roads in brighton center to be service

add a service=driveway tag to a couple roads

add a couple basketball courts by trum field

add a fence on corey hill

connect granary buring ground paths to street

add a couple footways between tremont place and granary burial ground. also change tremont place to be service=driveway

properly connect mason terrace

split summit path where it runs along a road briefly. start to try to separate the stair sections from the path sections to add more detail

update the very bottom of the summit path and associated crossings near corey hill and the green line in brookline

update a street and a couple street alignments based on bing aerials

update a little street to be an alley and change the direction of just the tail end of franklin st.

update a little part of sacramento st to be service and driveway

add an address and a oneway

reverse the one-way direction of Franklin St.

acorn st should be surface=cobblestone. "block" is not listed on the wiki page for the surface tag.