all: use jsonhttp
params: add TODO to rename ErrorInfo
Merge pull request #137 from rogpeppe/060-use-jsonhttp

all: use jsonhttp

Also sort imports in the standard way.
all: update to use errgo.v1
update dependencies.tsv
Merge pull request #143 from rogpeppe/062-use-errgo.v1

all: update to use errgo.v1

This is the new canonical location for the errgo package.