added custom strategy
allow string replacement in thumbnailing command
support multiple resources
Allow specifing of imagemagic command on a per task basis
removed console.loging
debugging staging
removed console.log
Merge branch 'master' into manual-tasks

* master:
  added new resize strategy.
  Added strict stratergy. This will destroy the aspect ratio but will make sure that the image is resized to the specified dimensions. Just like fill but doesn't zoom in
  removed commented out line.
  knox was not handling alternative regions properly.

Conflicts:
	package.json
added sprintf-js back into package.js
convert single path to array to keep Thumbnailer.execute api the same
implemented http callback notification for when job is complete
added test for client.
added in tests, refactored somewhat.
updated README.md, referencing the custom strategy.
more README updates.
slight cleanup to README.md.
switched test command.
make options optional.
bump version #.
Merge pull request #36 from bcoe/manual-tasks

Manual Tasks Refactor