Add options argument to robot.http
Update scoped-http-client to 0.10.0 which has better support for passing options down to the lower level http and https libraries
Make sure msg.http supports options
Document advanced http and https settings
Merge master
Fix http examples to use robot instead of res, and fix option example to use https to use rejectUnauthorized
Merge pull request #836 from github/http_options

Add options argument to robot.http