better logging of failure to load sigar under monitor.sigar, and not just monitor
improve iteration on multi valued field data by breaking fast
fix search quote analyzer lookup, if its not null, use it
Fix exception message
Analysis: Add bulgarian to stemmer token filter language options
Update requirements of the deb package

Virtual packages such as java*-runtime are provided by various
java/JRE implementations, which makes it more flexible to use.
export ES_JAVA_OPTS in deb script
terms filter uses less memory when cached
move from a TreeSet to an array, sorting on creation
Add an interface about "boost settable" query builders
Update API: Allow to upsert, provide a doc and index it if the doc does not exists, closes #2008.
When there's an error on elasticsearch side, in some native script for instance, explicit it in the error message and at least print the name of the root exception visible to the client.
Fix an incorrect error message when query parse fail, closes #1996
convert to json wasn't taking reformat flag properly into account
Upgrade to Netty 3.5.0.Final, closes #2013.
fix wrong change to version
Allow to filter client and "just" data nodes from controlling elected master (default client to true), closes #2014.
upgrade to trove 3.0.3
Upgrade to latest jst166y and jsr166e
                                                                                                                                                                                           Embed the code now in our source, since jsr166e jar generation with 1.6 instead of 1.7 is complicated when doing it on its own as it relies on ThreadLocalRandom, and we have it in jsr166y
Quoted query_string gives NullPointerException with not_analyzed field (0.19.4), closes #2006.
use djb hash to choose doc lock, and lock pool