Allow regex-wise selection of files.

Defaults to ignoring dot files.

This functionnality is a good companion to globs,
as it operates at a different level.
Merge pull request #17 from krisselden/update-sane

WIP update sane (and enable the ability to use watchman for better/faster/s...
Merge pull request #14 from espadrine/master

Allow regex-wise selection of files.
Revert "Provide information about which files changed in the results hash"

This reverts commit 9412a1a0f033babe15963685f3b3fff878ad0faf.

Conflicts:
	tests/index.js

Unfortunately, this does not have the desired outcome. Broccoli uses FS
watching merely as an indicator that it should re-stat and potentially
rebuild. In some scenarios this works, but in the general case it will
likely be problematic.

I believe the correct solution is to derive what ultimately changed by
diffing the old and new outputs.
upgrade mocha/rsvp + cleanup
just pass all options straight through to sane
add debug logging