Introduce PaperScope#setup(canvas), as a simple way to setup a standard project when not using PaperScript.

src/core/PaperScope.js

@@ -140,6 +140,23 @@ var PaperScope = this.PaperScope = Base.extend(/** @scope _global_ */{
 		return res;
 	},
 
+	/**
+	 * Sets up the scope for a standard project, by creating an empty
+	 * {@link Project} object for us, along with a {@link View} for the passed
+	 * canvas, both linked to this scope.
+	 */
+	setup: function(canvas) {
+		// We need to set the global paper reference to this scope,
+		// since that will be used in the Project constructor to set
+		// internal references.
+		paper = this;
+		new Project();
+		if (canvas) {
+			// Activate the newly created view straight away
+			new View(canvas).activate();
+		}
+	},
+
 	/**
 	 * Injects the paper scope into any other given scope. Can be used for
 	 * examle to inject the currently active PaperScope into the window's global

src/core/PaperScript.js

@@ -138,12 +138,7 @@ var PaperScript = this.PaperScript = new function() {
 			// so the active project is defined.
 			var canvas = PaperScript.getAttribute(code, 'canvas');
 			if (canvas = canvas && document.getElementById(canvas)) {
-				// Create an empty Project for this scope, and a view for the
-				// canvas, both using the right paper scope
-				paper = scope;
-				new Project();
-				// Activate the newly created view straight away
-				new View(canvas).activate();
+				scope.setup(canvas);
 			}
 			if (code.src) {
 				// If we're loading from a source, request that first and then