v0.13.3

Changelog

d9e9859 Add else_processors to conditional
d91df08 Add metric Type wrapper for more basic interface
dd7dced Update profiling dashboard
70a16ab Remove confs from gitignore
b79bd91 Bump dep versions
556557e Spelling
ad4252d Update processor docs
563a2fd Clean up documentation
a57c9eb Update streaming s3 example
99ead64 Update twitter firehose example
c88d26f Add websocket client unit tests