Create symlinks instead of hard links

When installing zamboni, commonplace tries to create a hard link from
one directory to another, which, well, doesn't work. Creating symlinks
instead worked for me.
0.3.9
migrate to official require.js

- third party js library compatability
- match dev and prod environments so there are no surprises when bundling
- ability to use requirejs facilities such as shim
- no surprises that we're using a different module loader in prod than dev