Shorter require paths
Better error message
Re-use PropTypes.falsy
Update simple-master-detail example
Update master-detail example
Update dynamic-segments example
Update query-params example
Update shared-root example
Update sidebar example
Update transitions example

Fixes #399
Update auth-flow example
Update animations example

Also, added TODO about why it's still broken.
Update async-data example
Add async-data example to examples index page
Update partial-app-loading example
Update data-flow example
Remove remaining @jsx pragmas