Ronen

Add pattern aliasing to syntax reference

5

The ability of using pattern aliasing, ie: ``` elm update ({ a } as model) action -- rest of function body ``` is missing from the [syntax](http://elm-lang.org/docs/syntax) docs.

Chunked messages header fix

2

Iv fixed the chunked header implementation for graylog2-server, the current gelf4j implementation uses 36 characters for the header while the current spec supports only 12, iv followed the same algorithm...