changed initializer interface. made inits configurable.
cleaned up plugin registry
reduced standard docs per index
last minute release fixes
changes to input interface
Convert GELF fields to String if they are maps

fixes #WEBINTERFACE-386
use graylog2-plugins 0.10.1
smackx is a dependency of smack and makes us get rid of the warnings at startup
upgraded to netty 3.5.11.Final and ElasticSearch 0.20.1
syslog_listen_address is now 0.0.0.0 by default

fixes #SERVER-240
set mongodb_host to 127.0.0.1 by default

not localhost. fixes #SERVER-241
make UDP recv buffer sizes configurable

also removed invalid (duplicated and not working) receive buffer size setting. fixes #SERVER-246
let inputs decide what to do when buffers are full

also introduces waiting for buffer capacity in AMQP input. could be added to HTTP inputs, too. giving back a reasonable HTTP status code when out of capacity. (cc @kroepke)

waiting for capacity code duplication in AMQPConsumer sucks and needs to be reduced by using interfaces for the GELF and syslog processors. (or something similar.)

fixes #SERVER-247
librato output for metrics
use prefix in source for librato metrics
librato metrics improvements
set reasonable libratometrics_interval
include stream names in librato metrics
graylog2ctl improvements

now always has absolute path, no matter started from where - required for plugin file loading. now also stores log file in log/

fixes #SERVER-250
fix missing range in streamMessageCount()