move Rakefile

Rakefile

@@ -0,0 +1,21 @@
+# -*- encoding: utf-8 -*-
+
+desc 'run contributed samples'    
+task :default => [:contributed]
+
+desc 'run contributed samples'
+task :contributed do
+  sh "cd samples/contributed && rake"
+end
+
+desc 'shaders'
+task :shaders do
+  sh "cd samples/processing_app/topics/shaders && rake"
+end
+
+desc 'vecmath'
+task :vecmath do
+  sh "cd samples/processing_app/library/vecmath/vec2d && rake"
+  sh "cd samples/processing_app/library/vecmath/vec3d && rake"
+  sh "cd samples/processing_app/library/vecmath/arc_ball && rake"
+end