URL query encode log details, so that characters like spaces don't make
log parsing ambiguous. Add a helper function to parse these details to a
map, if needed
Add support for details on service logs
Signed-off-by: Drew Erny <drew.erny@docker.com>
Upstream-commit: 68f21418ac1f1acb2874b45878a5938475becf1f
Component: engine
