[examples] app1: pimped
[http] changed wording for 413 status code, according to new rfc 7231
[http] HttpRequest: adds some API documentation
[http] HttpRequest: implements `responseHeaders.append(name, value);`
[http] HttpRequest: fixes Server/Via response header manipulation
[http] HttpRequest: adds `responseHeaders.prepend(name, value)`;
[plugins] director: fixes creation/manipulation of the Via response header
[x0d] fixes flow function `sys.env(S)V`
[x0d] adds shared flow function `sys.hostname()`
[plugins] director: minor cleanup
[plugins] director: makes the director's pseudonym configurable via setup function `director.pseudonym(S)V`
ChangeLog: pimp my changelog.
doc: adding new HTTP RFCs
doc: adding some helper doc to guide me through releases
[capi] http: revive the ability to process request bodies
[base] FixedBuffer: improved API usability
tests: ensure FixedBuffer usability