added HttpUriBuilder interface to main.java.ratpack.http and DefaultHttpUriBuilder class to main.java.ratpack.http.internal.
included new test class in the http internal tests package.
made changes to meet code style guidelines
added functionality for params and added multiple tests
added name and url to contributers list
Upgrade Netty to 4.0.20.Final (#357)
Some more docs for ExecControl.
Resolve merge conflict.
Fixes #362
Add reactive-streams dependency to core
Initial commit of streamed execution #356
Streamed execution updates #356
    Change method name to stream
    Ensure correct sequence of events
Streamed execution Javadoc #356
Initial support for chunked http responses #355
Resolve merge conflicts