upgrading pipeline to use v2.0.2 of sprockets
removing trailing whitespaces from readme
updating readme to have new directives in it
fixing some typos in readme
fixing another typo in readme
adding the directives from config to readme (and removing whitespace from config.php)
including ext-fileinfo as dependency in composer.json https://github.com/CodeSleeve/asset-pipeline/issues/131
Merge branch 'master' into testing

Conflicts:
	composer.json