Esque

* Added the `delete topics` command that enables deleting more than one topic
* Modified the existing `delete topic` command to accept only a single topic entry
* Refactored the topic deletion logic to improve performance

* Remove pykafka dependency
* Include a partial fix for 32 (topics are now displayed, output is still not optimal)
* Minor performance improvements

* Bugfix for issue 175
* Do not fail silently upon offset commit error
* Update confluent_kafka dependency in order to fix timeout issues when committing offsets to an SSL secured Kafka
endpoint
* Running esque now creates a cProfiler snapshot when the environment variable `ESQUE_PROFILE` is set to a non-empty
value
* Fix issue with decimal values from avro not being properly displayed in stdout

* Added `--binary` flag to `produce` and `consume`

* Updated avro-python3 to version 1.10.0

* Exit with code 1 when `apply` tries to change the number of partitions or the replication factor for a topic.