Start router and test request/response
Add initial WS/Channel integration tests
Bump docs
Add HTTPClient and rename WS client
Add HTTPClient and rename WS client
Document request options
Provide Socket.assign/get_assign ex. Closes #381
Merge pull request #391 from phoenixframework/cm-integration-tests

Start router and test request/response
Update Router helpers documentation in README
Merge pull request #393 from stevedomin/steve-update-readme-router

Update Router helpers documentation in README
Code block for route helpers is terminated too early
Merge pull request #395 from stevedomin/steve-update-readme-router

Code block for route helpers is terminated too early
Document the session plug and move it to new config
Document the parsers plug and move it to new config
Document the static plug and move it to new config

We have also cleaned up and move Phoenix.Project
to Mix.Phoenix so nobody relies on such logic outside
of Mix tasks or Mix specific behaviour (like the code
reloader).
Document the method override plug and move it to new config
Move code reloader configuration to Phoenix environment
Update CHANGELOG