Auto rebuild on change
Try out new build method
Build deploy with symlinks
Heroku builds in /tmp so we need to use a static abs path
Custom script to make a symlink tree
Move vagrant data dir under support to clean up root
Update paths
Use a default salt for vagrant instance
Don't get fancy with symlinks, WP can't handle it
Move build process artifacts into /tmp
Move rebuild lock file into /tmp
Move boot file into /support
Move nginx config into /support
Move composer vendor dir into /tmp