extend processing time for messages (#48)

* extend processing time for messages

* remove prefer stable from prefer lowest

* try different hamcrest version for travis composer

add more logging to the failed acknowledge/enqueue exceptions (#47)

* add more logging to the failed acknowledge/reject/whatever exceptions

* camelCase

adds a reject method to do the opposite of acknowledge (#43)

* adds a reject method to do the opposite of acknowledge

* lint fix

* add tests for 7.2 / nightly

* some boy scouting

* add 7.2 to allowed failures list

* change install to build

* use dist for travis

* fix singluar/plural mixing

Add Kinesis Firehose adapter and tests (#42)

* Add Kinesis Firehose adapter and tests

* Simplify message structure and support configurable batch size through options

* Remove unused use statement

* Add (and fix) failed enqueue test

* Move enqueue failure test to integration tests

the previous merge broke the links, re-introduce them (#41)

Merge pull request #21 from graze/docker

Docker!

Merge pull request #16 from graze/feature/purge-queue

Add purge to ProducerInterface

Update composer.json for the license field, and update the v0.1.0 lin…

…k in the changelog.

Minor change to the mega comment in SqsAdapter.