remove unused stdout shipper arg created by copypaste error
Added strict message around statsd shipper args
Added epilog to the tagalog logship help text
Bump version -> 0.3.0

Changes:

* statsd shipper introduced. This allows shipping a specified metric
  to a statsd server. Currently the shipper supports only statsd counters.
* Supports shipping a logline to multiple shippers
* Improvements to the pre-ship filter system. You can now specify a
  filter pipeline at the command line, or append filters to the default
  pipeline.