[SVN] r9244 (Nu)

[Jason Sallis]

- Added snippet to make embedding Nu in a string cleaner by overriding extra {
- Added require_cmd checks to commands to fail if Nu isn't installed and configured properly

Changed:
U   trunk/Review/Bundles/Nu.tmbundle/Commands/Beautify Nu.tmCommand
U   trunk/Review/Bundles/Nu.tmbundle/Commands/Run Tests.tmCommand
U   trunk/Review/Bundles/Nu.tmbundle/Commands/Run.tmCommand
A   trunk/Review/Bundles/Nu.tmbundle/Snippets/{ override in empty embedded.tmSnippet
U   trunk/Review/Bundles/Nu.tmbundle/info.plist