Merge pull request #1 from joeframbach/input-colon-output

removed deprecated import, added scss-like args, fixed dest_dir creation issue
refactor and implement watching
Added some helpers for listing articles
add a little blurb about -w to README
adding some examples of using lists of posts
forgot to depend on markdown
Refactoring. Bug fixes.

Added comments to explain what's going on
Seperated out some logic that was becoming intermingled.
Fixed multiple bugs when watching a directory
Separate Gus from anything dealing with the FS

I wanted Gus to not be tied to any specific representation
of the site (although it's original purpose was for directories)
and I just felt it was cleaner if all the dirty filesystem touching
code was cordoned off.

Was it a good idea?
Beats me.
example site. watching fix.
forgot to modify the demo about page
linking post to self. nav bar changes per page
really link post to self
make page types more flexible
Private tag
example of a directory with a different web path