Fixed typo in docs request.cookies -> request.state

https://github.com/hapijs/hapi/issues/1868
Merge pull request #1869 from raffi-minassian/master

Fixed typo in docs request.cookies -> request.state
Switch nipple to wreck. Closes #1871
Merge branch 'master' of github.com:hapijs/hapi
6.6.0
Allow agent to be set on proxy options and passed into Nipple.
Add parallel: false parameter to test case.
Call done() within nipple mock.
Formatting fix
Update doc with agent option
Update testcase changing Nipple to Wreck
scope comparison bug. Closes #1875
Move state.js out. For #1877
Coverage for moved state. For #1877
Fixing typo

Fixes https://github.com/hapijs/hapi/issues/1876
Statehood API. Closes #1877
Merge branch 'master' of github.com:hapijs/hapi
Rename private Route members. Closes #1878
Merge pull request #1863 from ndvivedi/master

Allow agent to be set on proxy options and passed into Nipple.
Cleanup for #1863
update qs dependency