Changes

**'''crash-stats'''*** {{ok|}} begin migrating subsystems to AWS**** e.g. migrate hbase to S3, architect cloud infra, build production-quality AMIs*** {{ok|}} enhance processor flexibility**** e.g. deploy processor2015, enhance tooling for developing post-crash classifiers, prototype alternate processing pipelines*** {{ok|}} enhance search functionality**** e.g. pull users from postgres search so we can shut it off, upgrade ES to 1.x, data dumps of search results**'''elmo'''*** {{ok|}} continue progress towards buildbot retirement**** e.g. migrating diff/compare tools to a10n, migrate remaining buildbot steps to a10n