Log Message:
Update sysutils/erlang-lager to 3.2.1.

3.2.1 - 10 June 2016
- Bugfix: Recent `get_env` changes resulted in launch failure
- OTP: Support typed records for Erlang 19.0

3.2.0 - 08 April 2016
- Feature: Optional sink killer to shed load when mailbox size
  exceeds a configurable high water mark
- Feature: Export `configure_sink/2` so users may dynamically
  configure previously setup and parse transformed sinks from
  their own code.
- Feature: Re-enable Travis CI and update .travis.yml
- Bugfix: Fix test race conditions for Travis CI
- Bugfix: Add the atom 'none' to the log_level() type so
  downstream users won't get dialyzer failures if they use the
  'none' log level.
- Bugfix: Fix typo in documentation.
- Bugfix: Fix OTP 18 test failures due to `warning_map/0` response
  change.
- Bugfix: Make sure traces that use the file backend work
  correctly when specified in lager configuration.
- Bugfix: Use `lager_app:get_env/3` for R15 compatibility.
- Bugfix: Make sure lager uses `id` instead of `name` when
  reporting supervisor children failures. (The atom changed in OTP
  in 2014.)
- Bugfix: Make lager handle improper iolists

3.1.0 - 27 January 2016
- Feature: API calls to a rotate handler, sink or all.  This
  change introduces a new `rotate` message for 3rd party lager
  backends; that's why this is released as a new minor version
  number.

3.0.3 - 27 January 2016
- Feature: Pretty printer for human readable stack traces
- Feature: Make error reformatting optional
- Feature: Optional and explicit sink for error_logger messages
- Bugfix: Always explicitly close a file after its been rotated
- Bugfix: If a relative path already contains the log root, do not
  add it again
- Bugfix: Configure and start extra sinks before traces are
  evaluated
- Bugfix: Stop and remove traces correctly
- Bugfix: A byte value of 255 is valid for Unicode
- Dependency: Bump to goldrush 0.1.8