Asset Pipeline Scavenger Hung

1. Combine the files. Having fewer files saves space and takes less time to load.
2. Precompile means that those files are changed into basic css or javascript before they are run.
3. minify means to strip them of whitespace, http://cdn.speedrak.com/images/blog-images/seoblogger-after-minify-css.PNG
4. the file in the browser is showing all js from the entire site vs solely what we have in that file(concatenated)
5. instructions that tell Sprockets which files to require in order to build a single CSS or JavaScript, 
    application.js, application.css
6. *= require_***** application.css.scss
7. provides an easy way to tell whether two versions of a file are identical, allows for caching: check to see if name has changed
    if not, don't pull down file

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