hide simple array behind a class.
base line of testing on the get directory and get bundles functions
swap out implementation of getting files by directory
Push mustache and less to output directory.

Fix bug that the initial compiled mustache and less assets are not put
in the output directory
use the bundle file name as the hash contents + test update
move up the loading of bundles so it works on multiple directories
update the message.
Merge pull request #3 from Andrew-Hagedorn-ZocDoc/ImprovePerformance

Improve performance