Commit Briefs
Sync the description of the -r flag from "tree" to the other commands.
Clarify that if the current directory is a work tree, tog will pick the repository associated with this work tree by default. ok stsp
fix "tog diff object1 object2" by actually extracting the repository path
from the work tree
disable compiler warnings in release builds because -Werror is bad for ports
sthen@ suggested to drop -Werror; I think we don't need any -W in release mode