Updating some dependencies:
- CoffeeScript so we can use the source maps feature
- Jade so it's not a wildcard

Adding -m and --map flags to muffin watch to generate source maps.
slight compatibility updates to the jade templates in the twitter example
Show src on error
adding the hash option to muffin watch, otherwise it defaults to 1.0.0 and causes a version mismatch
Merge branch 'dev' of github.com:Axonify/muffin.io into dev
Merge branch 'master' into dev
Fixed merge conflicts.