Update child repos to PSR-4 for git subs-plit 

Merge branch 'refs/heads/replace-guzzle-http' into 0.3 Conflicts: composer.lock

Merge branch 'refs/heads/event-docs' 

Merge branch 'refs/heads/update-guzzle' Conflicts: CHANGELOG.md

[http client] React\Http\Client -> React\HttpClient 

[Http] Add support for HTTP/1.1 continue status codes Some clients need this before they send their request body, in order to avoid sending huge amounts of data needlessly

Update README and sub-composer.json files to point to 0.2.* 

[Stream] Bug fix: multiple inheritence Added PHP 5.3.3 to Travis as there was a BC break in PHP ~5.3.8 Took the close method out of Read/Write interfaces into its own Updated composer files to v0.1.1 tag

Added aliases to all composer.json files